diff --git a/src/Gui/CommandDoc.cpp b/src/Gui/CommandDoc.cpp
index 1fb6d69d9e..9cbf981d38 100644
--- a/src/Gui/CommandDoc.cpp
+++ b/src/Gui/CommandDoc.cpp
@@ -319,7 +319,7 @@ StdCmdMergeProjects::StdCmdMergeProjects()
     sGroup        = QT_TR_NOOP("File");
     sMenuText     = QT_TR_NOOP("Merge project...");
     sToolTipText  = QT_TR_NOOP("Merge project");
-    sWhatsThis    = QT_TR_NOOP("Merge project");
+    sWhatsThis    = "Std_MergeProjects";
     sStatusTip    = QT_TR_NOOP("Merge project");
 }
 
@@ -946,7 +946,7 @@ StdCmdDuplicateSelection::StdCmdDuplicateSelection()
     sGroup        = QT_TR_NOOP("Edit");
     sMenuText     = QT_TR_NOOP("Duplicate selection");
     sToolTipText  = QT_TR_NOOP("Put duplicates of the selected objects to the active document");
-    sWhatsThis    = QT_TR_NOOP("Put duplicates of the selected objects to the active document");
+    sWhatsThis    = "Std_DuplicateSelection";
     sStatusTip    = QT_TR_NOOP("Put duplicates of the selected objects to the active document");
 }
 
diff --git a/src/Gui/CommandFeat.cpp b/src/Gui/CommandFeat.cpp
index 2a3fde3e30..943ec59a57 100644
--- a/src/Gui/CommandFeat.cpp
+++ b/src/Gui/CommandFeat.cpp
@@ -49,7 +49,7 @@ StdCmdFeatRecompute::StdCmdFeatRecompute()
     sGroup        = QT_TR_NOOP("File");
     sMenuText     = QT_TR_NOOP("&Recompute");
     sToolTipText  = QT_TR_NOOP("Recompute feature or document");
-    sWhatsThis    = QT_TR_NOOP("Recompute feature or document");
+    sWhatsThis    = "Std_Recompute";
     sStatusTip    = QT_TR_NOOP("Recompute feature or document");
     sPixmap       = "view-refresh";
     sAccel        = "Ctrl+R";
@@ -72,7 +72,7 @@ StdCmdRandomColor::StdCmdRandomColor()
     sGroup        = QT_TR_NOOP("File");
     sMenuText     = QT_TR_NOOP("Random color");
     sToolTipText  = QT_TR_NOOP("Random color");
-    sWhatsThis    = QT_TR_NOOP("Random color");
+    sWhatsThis    = "Std_RandomColor";
     sStatusTip    = QT_TR_NOOP("Random color");
 }
 
diff --git a/src/Gui/CommandStd.cpp b/src/Gui/CommandStd.cpp
index 47d467b0e1..1377d0fb00 100644
--- a/src/Gui/CommandStd.cpp
+++ b/src/Gui/CommandStd.cpp
@@ -644,7 +644,7 @@ StdCmdMeasurementSimple::StdCmdMeasurementSimple()
     sGroup        = QT_TR_NOOP("Tools");
     sMenuText     = QT_TR_NOOP("Measure distance");
     sToolTipText  = QT_TR_NOOP("Measures distance between two selected objects");
-    sWhatsThis    = QT_TR_NOOP("Measures distance between two selected objects");
+    sWhatsThis    = "Std_MeasurementSimple";
     sStatusTip    = QT_TR_NOOP("Measures distance between two selected objects");
     sPixmap       = "view-measurement";
     eType         = 0;
@@ -699,7 +699,7 @@ StdCmdUnitsCalculator::StdCmdUnitsCalculator()
     sGroup        = QT_TR_NOOP("Tools");
     sMenuText     = QT_TR_NOOP("&Units calculator...");
     sToolTipText  = QT_TR_NOOP("Start the units calculator");
-    sWhatsThis    = QT_TR_NOOP("Start the units calculator");
+    sWhatsThis    = "Std_UnitsCalculator";
     sStatusTip    = QT_TR_NOOP("Start the units calculator");
     sPixmap       = "accessories-calculator";
     eType         = 0;
diff --git a/src/Gui/CommandStructure.cpp b/src/Gui/CommandStructure.cpp
index 119ef89f9d..7b0416eb19 100644
--- a/src/Gui/CommandStructure.cpp
+++ b/src/Gui/CommandStructure.cpp
@@ -51,7 +51,7 @@ StdCmdPart::StdCmdPart()
     sGroup        = QT_TR_NOOP("Structure");
     sMenuText     = QT_TR_NOOP("Create part");
     sToolTipText  = QT_TR_NOOP("Create a new part and make it active");
-    sWhatsThis    = sToolTipText;
+    sWhatsThis    = "Std_Part";
     sStatusTip    = sToolTipText;
     sPixmap       = "Geofeaturegroup.svg";
 }
@@ -91,7 +91,7 @@ StdCmdGroup::StdCmdGroup()
     sGroup        = QT_TR_NOOP("Structure");
     sMenuText     = QT_TR_NOOP("Create group");
     sToolTipText  = QT_TR_NOOP("Create a new group for ordering objects");
-    sWhatsThis    = sToolTipText;
+    sWhatsThis    = "Std_Group";
     sStatusTip    = sToolTipText;
     sPixmap       = "Group.svg";
 }
diff --git a/src/Gui/CommandTest.cpp b/src/Gui/CommandTest.cpp
index ee26217625..4dae00cb64 100644
--- a/src/Gui/CommandTest.cpp
+++ b/src/Gui/CommandTest.cpp
@@ -150,7 +150,7 @@ FCCmdTest2::FCCmdTest2()
     sGroup          = "Standard-Test";
     sMenuText       = "Test2";
     sToolTipText    = "Test function 2";
-    sWhatsThis      = sToolTipText;
+    sWhatsThis      = "Std_Test2";
     sStatusTip      = sToolTipText;
     sPixmap         = "Std_Tool2";
 }
@@ -177,7 +177,7 @@ FCCmdTest3::FCCmdTest3()
     sGroup          = "Standard-Test";
     sMenuText       = "Test3";
     sToolTipText    = "Test function 3";
-    sWhatsThis      = sToolTipText;
+    sWhatsThis      = "Std_Test3";
     sStatusTip      = sToolTipText;
     sPixmap         = "Std_Tool3";
 }
@@ -207,7 +207,7 @@ FCCmdTest4::FCCmdTest4()
     sGroup          = "Standard-Test";
     sMenuText       = "Test4";
     sToolTipText    = "Test function 4";
-    sWhatsThis      = sToolTipText;
+    sWhatsThis      = "Std_Test4";
     sStatusTip      = sToolTipText;
     sPixmap         = "Std_Tool4";
 }
@@ -236,7 +236,7 @@ FCCmdTest5::FCCmdTest5()
     sGroup          = "Standard-Test";
     sMenuText       = "Test5";
     sToolTipText    = "Test function 5";
-    sWhatsThis      = sToolTipText;
+    sWhatsThis      = "Std_Test5";
     sStatusTip      = sToolTipText;
     sPixmap         = "Std_Tool5";
 }
@@ -265,7 +265,7 @@ FCCmdTest6::FCCmdTest6()
     sGroup          = "Standard-Test";
     sMenuText       = "Test6";
     sToolTipText    = "Test function 6";
-    sWhatsThis      = sToolTipText;
+    sWhatsThis      = "Std_Test6";
     sStatusTip      = sToolTipText;
     sPixmap         = "Std_Tool6";
 }
@@ -293,7 +293,7 @@ CmdTestProgress1::CmdTestProgress1()
     sGroup          = "Standard-Test";
     sMenuText       = "Breakable bar";
     sToolTipText    = "Test a breakable progress bar";
-    sWhatsThis      = sToolTipText;
+    sWhatsThis      = "Std_TestProgress1";
     sStatusTip      = sToolTipText;
     sPixmap         = "Std_Tool7";
 }
@@ -335,7 +335,7 @@ CmdTestProgress2::CmdTestProgress2()
     sGroup          = "Standard-Test";
     sMenuText       = "Unbreakable bar";
     sToolTipText    = "Test a unbreakable progress bar";
-    sWhatsThis      = sToolTipText;
+    sWhatsThis      = "Std_TestProgress2";
     sStatusTip      = sToolTipText;
     sPixmap         = "Std_Tool7";
 }
@@ -378,7 +378,7 @@ CmdTestProgress3::CmdTestProgress3()
     sGroup          = "Standard-Test";
     sMenuText       = "Nested progress bar";
     sToolTipText    = "Test nested progress bar";
-    sWhatsThis      = sToolTipText;
+    sWhatsThis      = "Std_TestProgress3";
     sStatusTip      = sToolTipText;
     sPixmap         = "Std_Tool8";
 }
@@ -448,7 +448,7 @@ CmdTestProgress4::CmdTestProgress4()
     sGroup          = "Standard-Test";
     sMenuText       = "Mixed nested bar";
     sToolTipText    = "Test a mixed up nested progress bar";
-    sWhatsThis      = sToolTipText;
+    sWhatsThis      = "Std_TestProgress4";
     sStatusTip      = sToolTipText;
     sPixmap         = "Std_Tool7";
 }
@@ -503,7 +503,7 @@ CmdTestProgress5::CmdTestProgress5()
     sGroup          = "Standard-Test";
     sMenuText       = "From thread";
     sToolTipText    = "Test a progress bar from a thread";
-    sWhatsThis      = sToolTipText;
+    sWhatsThis      = "Std_TestProgress5";
     sStatusTip      = sToolTipText;
     sPixmap         = "Std_Tool7";
 }
@@ -583,7 +583,7 @@ CmdTestMDI1::CmdTestMDI1()
     sGroup          = "Standard-Test";
     sMenuText       = "Remove MDI 1";
     sToolTipText    = "Remove MDI from main window";
-    sWhatsThis      = sToolTipText;
+    sWhatsThis      = "Std_MDITest1";
     sStatusTip      = sToolTipText;
 }
 
@@ -607,7 +607,7 @@ CmdTestMDI2::CmdTestMDI2()
     sGroup          = "Standard-Test";
     sMenuText       = "Remove MDI 2";
     sToolTipText    = "Remove view from MDI area";
-    sWhatsThis      = sToolTipText;
+    sWhatsThis      = "Std_MDITest2";
     sStatusTip      = sToolTipText;
 }
 
@@ -635,7 +635,7 @@ CmdTestMDI3::CmdTestMDI3()
     sGroup          = "Standard-Test";
     sMenuText       = "Remove MDI 3";
     sToolTipText    = "Unset parent and remove from main window";
-    sWhatsThis      = sToolTipText;
+    sWhatsThis      = "Std_MDITest3";
     sStatusTip      = sToolTipText;
 }
 
diff --git a/src/Gui/CommandView.cpp b/src/Gui/CommandView.cpp
index 463cdb5705..7c7ff4c4f8 100644
--- a/src/Gui/CommandView.cpp
+++ b/src/Gui/CommandView.cpp
@@ -1151,7 +1151,7 @@ StdCmdViewBottom::StdCmdViewBottom()
     sGroup        = QT_TR_NOOP("Standard-View");
     sMenuText     = QT_TR_NOOP("Bottom");
     sToolTipText  = QT_TR_NOOP("Set to bottom view");
-    sWhatsThis    = "Std_ViewXX";
+    sWhatsThis    = "Std_ViewBottom";
     sStatusTip    = QT_TR_NOOP("Set to bottom view");
     sPixmap       = "view-bottom";
     sAccel        = "5";
@@ -1175,7 +1175,7 @@ StdCmdViewFront::StdCmdViewFront()
     sGroup        = QT_TR_NOOP("Standard-View");
     sMenuText     = QT_TR_NOOP("Front");
     sToolTipText  = QT_TR_NOOP("Set to front view");
-    sWhatsThis    = "Std_ViewXX";
+    sWhatsThis    = "Std_ViewFront";
     sStatusTip    = QT_TR_NOOP("Set to front view");
     sPixmap       = "view-front";
     sAccel        = "1";
@@ -1199,7 +1199,7 @@ StdCmdViewLeft::StdCmdViewLeft()
     sGroup        = QT_TR_NOOP("Standard-View");
     sMenuText     = QT_TR_NOOP("Left");
     sToolTipText  = QT_TR_NOOP("Set to left view");
-    sWhatsThis    = "Std_ViewXX";
+    sWhatsThis    = "Std_ViewLeft";
     sStatusTip    = QT_TR_NOOP("Set to left view");
     sPixmap       = "view-left";
     sAccel        = "6";
@@ -1223,7 +1223,7 @@ StdCmdViewRear::StdCmdViewRear()
     sGroup        = QT_TR_NOOP("Standard-View");
     sMenuText     = QT_TR_NOOP("Rear");
     sToolTipText  = QT_TR_NOOP("Set to rear view");
-    sWhatsThis    = "Std_ViewXX";
+    sWhatsThis    = "Std_ViewRear";
     sStatusTip    = QT_TR_NOOP("Set to rear view");
     sPixmap       = "view-rear";
     sAccel        = "4";
@@ -1247,7 +1247,7 @@ StdCmdViewRight::StdCmdViewRight()
     sGroup        = QT_TR_NOOP("Standard-View");
     sMenuText     = QT_TR_NOOP("Right");
     sToolTipText  = QT_TR_NOOP("Set to right view");
-    sWhatsThis    = "Std_ViewXX";
+    sWhatsThis    = "Std_ViewRight";
     sStatusTip    = QT_TR_NOOP("Set to right view");
     sPixmap       = "view-right";
     sAccel        = "3";
@@ -1271,7 +1271,7 @@ StdCmdViewTop::StdCmdViewTop()
     sGroup        = QT_TR_NOOP("Standard-View");
     sMenuText     = QT_TR_NOOP("Top");
     sToolTipText  = QT_TR_NOOP("Set to top view");
-    sWhatsThis    = "Std_ViewXX";
+    sWhatsThis    = "Std_ViewTop";
     sStatusTip    = QT_TR_NOOP("Set to top view");
     sPixmap       = "view-top";
     sAccel        = "2";
@@ -1295,7 +1295,7 @@ StdCmdViewAxo::StdCmdViewAxo()
     sGroup      = QT_TR_NOOP("Standard-View");
     sMenuText   = QT_TR_NOOP("Axonometric");
     sToolTipText= QT_TR_NOOP("Set to axonometric view");
-    sWhatsThis  = "Std_ViewXX";
+    sWhatsThis  = "Std_ViewAxo";
     sStatusTip  = QT_TR_NOOP("Set to axonometric view");
     sPixmap     = "view-axonometric";
     sAccel      = "0";
@@ -1319,7 +1319,7 @@ StdCmdViewRotateLeft::StdCmdViewRotateLeft()
     sGroup        = QT_TR_NOOP("Standard-View");
     sMenuText     = QT_TR_NOOP("Rotate Left");
     sToolTipText  = QT_TR_NOOP("Rotate the view by 90\xc2\xb0 counter-clockwise");
-    sWhatsThis    = "Std_ViewXX";
+    sWhatsThis    = "Std_ViewRotateLeft";
     sStatusTip    = QT_TR_NOOP("Rotate the view by 90\xc2\xb0 counter-clockwise");
     sPixmap       = "view-rotate-left";
     sAccel        = "Shift+Left";
@@ -1344,7 +1344,7 @@ StdCmdViewRotateRight::StdCmdViewRotateRight()
     sGroup        = QT_TR_NOOP("Standard-View");
     sMenuText     = QT_TR_NOOP("Rotate Right");
     sToolTipText  = QT_TR_NOOP("Rotate the view by 90\xc2\xb0 clockwise");
-    sWhatsThis    = "Std_ViewXX";
+    sWhatsThis    = "Std_ViewRotateRight";
     sStatusTip    = QT_TR_NOOP("Rotate the view by 90\xc2\xb0 clockwise");
     sPixmap       = "view-rotate-right";
     sAccel        = "Shift+Right";
@@ -1433,7 +1433,7 @@ StdViewDock::StdViewDock()
     sGroup       = QT_TR_NOOP("Standard-View");
     sMenuText    = QT_TR_NOOP("Docked");
     sToolTipText = QT_TR_NOOP("Display the active view either in fullscreen, in undocked or docked mode");
-    sWhatsThis   = "Std_ViewDockUndockFullscreen";
+    sWhatsThis   = "Std_ViewDock";
     sStatusTip   = QT_TR_NOOP("Display the active view either in fullscreen, in undocked or docked mode");
     sAccel       = "V, D";
     eType        = Alter3DView;
@@ -1461,7 +1461,7 @@ StdViewUndock::StdViewUndock()
     sGroup       = QT_TR_NOOP("Standard-View");
     sMenuText    = QT_TR_NOOP("Undocked");
     sToolTipText = QT_TR_NOOP("Display the active view either in fullscreen, in undocked or docked mode");
-    sWhatsThis   = "Std_ViewDockUndockFullscreen";
+    sWhatsThis   = "Std_ViewUndock";
     sStatusTip   = QT_TR_NOOP("Display the active view either in fullscreen, in undocked or docked mode");
     sAccel       = "V, U";
     eType        = Alter3DView;
@@ -1521,7 +1521,7 @@ StdViewFullscreen::StdViewFullscreen()
     sGroup       = QT_TR_NOOP("Standard-View");
     sMenuText    = QT_TR_NOOP("Fullscreen");
     sToolTipText = QT_TR_NOOP("Display the active view either in fullscreen, in undocked or docked mode");
-    sWhatsThis   = "Std_ViewDockUndockFullscreen";
+    sWhatsThis   = "Std_ViewFullscreen";
     sStatusTip   = QT_TR_NOOP("Display the active view either in fullscreen, in undocked or docked mode");
     sPixmap      = "view-fullscreen";
     sAccel       = "F11";
@@ -2070,7 +2070,7 @@ StdCmdViewExample1::StdCmdViewExample1()
     sGroup        = QT_TR_NOOP("Standard-View");
     sMenuText     = QT_TR_NOOP("Inventor example #1");
     sToolTipText  = QT_TR_NOOP("Shows a 3D texture with manipulator");
-    sWhatsThis    = "Std_ViewExamples";
+    sWhatsThis    = "Std_ViewExample1";
     sStatusTip    = QT_TR_NOOP("Shows a 3D texture with manipulator");
     sPixmap       = "Std_Tool1";
     eType         = Alter3DView;
@@ -2098,7 +2098,7 @@ StdCmdViewExample2::StdCmdViewExample2()
     sGroup        = QT_TR_NOOP("Standard-View");
     sMenuText     = QT_TR_NOOP("Inventor example #2");
     sToolTipText  = QT_TR_NOOP("Shows spheres and drag-lights");
-    sWhatsThis    = "Std_ViewExamples";
+    sWhatsThis    = "Std_ViewExample2";
     sStatusTip    = QT_TR_NOOP("Shows spheres and drag-lights");
     sPixmap       = "Std_Tool2";
     eType         = Alter3DView;
@@ -2126,7 +2126,7 @@ StdCmdViewExample3::StdCmdViewExample3()
     sGroup        = QT_TR_NOOP("Standard-View");
     sMenuText     = QT_TR_NOOP("Inventor example #3");
     sToolTipText  = QT_TR_NOOP("Shows a animated texture");
-    sWhatsThis    = "Std_ViewExamples";
+    sWhatsThis    = "Std_ViewExample3";
     sStatusTip    = QT_TR_NOOP("Shows a animated texture");
     sPixmap       = "Std_Tool3";
     eType         = Alter3DView;
@@ -2155,7 +2155,7 @@ StdCmdViewIvStereoOff::StdCmdViewIvStereoOff()
     sGroup        = QT_TR_NOOP("Standard-View");
     sMenuText     = QT_TR_NOOP("Stereo Off");
     sToolTipText  = QT_TR_NOOP("Switch stereo viewing off");
-    sWhatsThis    = "Std_ViewIvStereo";
+    sWhatsThis    = "Std_ViewIvStereoOff";
     sStatusTip    = QT_TR_NOOP("Switch stereo viewing off");
     sPixmap       = "Std_Tool6";
     eType         = Alter3DView;
@@ -2184,7 +2184,7 @@ StdCmdViewIvStereoRedGreen::StdCmdViewIvStereoRedGreen()
     sGroup        = QT_TR_NOOP("Standard-View");
     sMenuText     = QT_TR_NOOP("Stereo red/cyan");
     sToolTipText  = QT_TR_NOOP("Switch stereo viewing to red/cyan");
-    sWhatsThis    = "Std_ViewIvStereo";
+    sWhatsThis    = "Std_ViewIvStereoRedGreen";
     sStatusTip    = QT_TR_NOOP("Switch stereo viewing to red/cyan");
     sPixmap       = "Std_Tool7";
     eType         = Alter3DView;
@@ -2212,7 +2212,7 @@ StdCmdViewIvStereoQuadBuff::StdCmdViewIvStereoQuadBuff()
     sGroup        = QT_TR_NOOP("Standard-View");
     sMenuText     = QT_TR_NOOP("Stereo quad buffer");
     sToolTipText  = QT_TR_NOOP("Switch stereo viewing to quad buffer");
-    sWhatsThis    = "Std_ViewIvStereo";
+    sWhatsThis    = "Std_ViewIvStereoQuadBuff";
     sStatusTip    = QT_TR_NOOP("Switch stereo viewing to quad buffer");
     sPixmap       = "Std_Tool7";
     eType         = Alter3DView;
@@ -2240,7 +2240,7 @@ StdCmdViewIvStereoInterleavedRows::StdCmdViewIvStereoInterleavedRows()
     sGroup        = QT_TR_NOOP("Standard-View");
     sMenuText     = QT_TR_NOOP("Stereo Interleaved Rows");
     sToolTipText  = QT_TR_NOOP("Switch stereo viewing to Interleaved Rows");
-    sWhatsThis    = "Std_ViewIvStereo";
+    sWhatsThis    = "Std_ViewIvStereoInterleavedRows";
     sStatusTip    = QT_TR_NOOP("Switch stereo viewing to Interleaved Rows");
     sPixmap       = "Std_Tool7";
     eType         = Alter3DView;
@@ -2268,7 +2268,7 @@ StdCmdViewIvStereoInterleavedColumns::StdCmdViewIvStereoInterleavedColumns()
     sGroup        = QT_TR_NOOP("Standard-View");
     sMenuText     = QT_TR_NOOP("Stereo Interleaved Columns");
     sToolTipText  = QT_TR_NOOP("Switch stereo viewing to Interleaved Columns");
-    sWhatsThis    = "Std_ViewIvStereo";
+    sWhatsThis    = "Std_ViewIvStereoInterleavedColumns";
     sStatusTip    = QT_TR_NOOP("Switch stereo viewing to Interleaved Columns");
     sPixmap       = "Std_Tool7";
     eType         = Alter3DView;
@@ -2347,7 +2347,7 @@ StdViewZoomIn::StdViewZoomIn()
     sGroup        = QT_TR_NOOP("Standard-View");
     sMenuText     = QT_TR_NOOP("Zoom In");
     sToolTipText  = QT_TR_NOOP("Zoom In");
-    sWhatsThis    = "Std_ViewZoom";
+    sWhatsThis    = "Std_ViewZoomIn";
     sStatusTip    = QT_TR_NOOP("Zoom In");
 #if QT_VERSION >= 0x040200
     sPixmap       = "zoom-in";
@@ -2382,7 +2382,7 @@ StdViewZoomOut::StdViewZoomOut()
     sGroup        = QT_TR_NOOP("Standard-View");
     sMenuText     = QT_TR_NOOP("Zoom Out");
     sToolTipText  = QT_TR_NOOP("Zoom Out");
-    sWhatsThis    = "Std_ViewZoom";
+    sWhatsThis    = "Std_ViewZoomOut";
     sStatusTip    = QT_TR_NOOP("Zoom Out");
 #if QT_VERSION >= 0x040200
     sPixmap       = "zoom-out";
@@ -2448,7 +2448,7 @@ StdBoxSelection::StdBoxSelection()
     sGroup        = QT_TR_NOOP("Standard-View");
     sMenuText     = QT_TR_NOOP("Box selection");
     sToolTipText  = QT_TR_NOOP("Box selection");
-    sWhatsThis    = "Std_ViewBoxZoom";
+    sWhatsThis    = "Std_BoxSelection";
     sStatusTip    = QT_TR_NOOP("Box selection");
 #if QT_VERSION >= 0x040200
     sPixmap       = "edit-select-box";
@@ -2741,7 +2741,7 @@ StdCmdDemoMode::StdCmdDemoMode()
     sGroup        = QT_TR_NOOP("Standard-View");
     sMenuText     = QT_TR_NOOP("View turntable...");
     sToolTipText  = QT_TR_NOOP("View turntable");
-    sWhatsThis    = QT_TR_NOOP("View turntable");
+    sWhatsThis    = "Std_DemoMode";
     sStatusTip    = QT_TR_NOOP("View turntable");
     eType         = Alter3DView;
 }
diff --git a/src/Gui/CommandWindow.cpp b/src/Gui/CommandWindow.cpp
index d588752046..6ecb19fc14 100644
--- a/src/Gui/CommandWindow.cpp
+++ b/src/Gui/CommandWindow.cpp
@@ -53,7 +53,7 @@ StdCmdArrangeIcons::StdCmdArrangeIcons()
     sGroup        = QT_TR_NOOP("Window");
     sMenuText     = QT_TR_NOOP("Arrange &Icons");
     sToolTipText  = QT_TR_NOOP("Arrange Icons");
-    sWhatsThis    = QT_TR_NOOP("Arrange Icons");
+    sWhatsThis    = "Std_ArrangeIcons";
     sStatusTip    = QT_TR_NOOP("Arrange Icons");
     eType         = 0;
 }
@@ -80,7 +80,7 @@ StdCmdTileWindows::StdCmdTileWindows()
     sGroup        = QT_TR_NOOP("Window");
     sMenuText     = QT_TR_NOOP("&Tile");
     sToolTipText  = QT_TR_NOOP("Tile the windows");
-    sWhatsThis    = QT_TR_NOOP("Tile the windows");
+    sWhatsThis    = "Std_TileWindows";
     sStatusTip    = QT_TR_NOOP("Tile the windows");
     sPixmap       = "Std_WindowTileVer";
     eType         = 0;
@@ -108,7 +108,7 @@ StdCmdCascadeWindows::StdCmdCascadeWindows()
     sGroup        = QT_TR_NOOP("Window");
     sMenuText     = QT_TR_NOOP("&Cascade");
     sToolTipText  = QT_TR_NOOP("Tile pragmatic");
-    sWhatsThis    = QT_TR_NOOP("Tile pragmatic");
+    sWhatsThis    = "Std_CascadeWindows";
     sStatusTip    = QT_TR_NOOP("Tile pragmatic");
     sPixmap       = "Std_WindowCascade";
     eType         = 0;
@@ -136,7 +136,7 @@ StdCmdCloseActiveWindow::StdCmdCloseActiveWindow()
     sGroup        = QT_TR_NOOP("Window");
     sMenuText     = QT_TR_NOOP("Cl&ose");
     sToolTipText  = QT_TR_NOOP("Close active window");
-    sWhatsThis    = QT_TR_NOOP("Close active window");
+    sWhatsThis    = "Std_CloseActiveWindow";
     sStatusTip    = QT_TR_NOOP("Close active window");
     // In QMdiSubWindow the 'QKeySequence::Close' shortcut is set which will
     // collide with this shortcut. Thus the shortcut of QMdiSubWindow will be
@@ -167,7 +167,7 @@ StdCmdCloseAllWindows::StdCmdCloseAllWindows()
     sGroup        = QT_TR_NOOP("Window");
     sMenuText     = QT_TR_NOOP("Close Al&l");
     sToolTipText  = QT_TR_NOOP("Close all windows");
-    sWhatsThis    = QT_TR_NOOP("Close all windows");
+    sWhatsThis    = "Std_CloseAllWindows";
     sStatusTip    = QT_TR_NOOP("Close all windows");
     eType         = 0;
 }
@@ -194,7 +194,7 @@ StdCmdActivateNextWindow::StdCmdActivateNextWindow()
     sGroup        = QT_TR_NOOP("Window");
     sMenuText     = QT_TR_NOOP("Ne&xt");
     sToolTipText  = QT_TR_NOOP("Activate next window");
-    sWhatsThis    = QT_TR_NOOP("Activate next window");
+    sWhatsThis    = "Std_ActivateNextWindow";
     sStatusTip    = QT_TR_NOOP("Activate next window");
     sPixmap       = "Std_WindowNext";
     sAccel        = keySequenceToAccel(QKeySequence::NextChild);
@@ -223,7 +223,7 @@ StdCmdActivatePrevWindow::StdCmdActivatePrevWindow()
     sGroup        = QT_TR_NOOP("Window");
     sMenuText     = QT_TR_NOOP("Pre&vious");
     sToolTipText  = QT_TR_NOOP("Activate previous window");
-    sWhatsThis    = QT_TR_NOOP("Activate previous window");
+    sWhatsThis    = "Std_ActivatePrevWindow";
     sStatusTip    = QT_TR_NOOP("Activate previous window");
     sPixmap       = "Std_WindowPrev";
     sAccel        = keySequenceToAccel(QKeySequence::PreviousChild);
@@ -252,7 +252,7 @@ StdCmdWindows::StdCmdWindows()
     sGroup        = QT_TR_NOOP("Window");
     sMenuText     = QT_TR_NOOP("&Windows...");
     sToolTipText  = QT_TR_NOOP("Windows list");
-    sWhatsThis    = QT_TR_NOOP("Windows list");
+    sWhatsThis    = "Std_Windows";
     sStatusTip    = QT_TR_NOOP("Windows list");
     //sPixmap     = "";
     eType         = 0;
@@ -276,7 +276,7 @@ StdCmdUserInterface::StdCmdUserInterface()
     sGroup        = QT_TR_NOOP("View");
     sMenuText     = QT_TR_NOOP("Dock views");
     sToolTipText  = QT_TR_NOOP("Dock all top-level views");
-    sWhatsThis    = QT_TR_NOOP("Dock all top-level views");
+    sWhatsThis    = "Std_UserInterface";
     sStatusTip    = QT_TR_NOOP("Dock all top-level views");
     eType         = 0;
 }
@@ -298,7 +298,7 @@ StdCmdDockViewMenu::StdCmdDockViewMenu()
     sGroup        = QT_TR_NOOP("View");
     sMenuText     = QT_TR_NOOP("Panels");
     sToolTipText  = QT_TR_NOOP("List of available dock panels");
-    sWhatsThis    = QT_TR_NOOP("List of available dock panels");
+    sWhatsThis    = "Std_DockViewMenu";
     sStatusTip    = QT_TR_NOOP("List of available dock panels");
     eType         = 0;
 }
@@ -334,7 +334,7 @@ StdCmdToolBarMenu::StdCmdToolBarMenu()
     sGroup        = QT_TR_NOOP("View");
     sMenuText     = QT_TR_NOOP("Tool&bars");
     sToolTipText  = QT_TR_NOOP("Toggles this window");
-    sWhatsThis    = QT_TR_NOOP("Toggles this window");
+    sWhatsThis    = "Std_ToolBarMenu";
     sStatusTip    = QT_TR_NOOP("Toggles this window");
     eType         = 0;
 }
@@ -370,7 +370,7 @@ StdCmdStatusBar::StdCmdStatusBar()
     sGroup        = QT_TR_NOOP("View");
     sMenuText     = QT_TR_NOOP("Status bar");
     sToolTipText  = QT_TR_NOOP("Toggles the status bar");
-    sWhatsThis    = QT_TR_NOOP("Toggles the status bar");
+    sWhatsThis    = "Std_ViewStatusBar";
     sStatusTip    = QT_TR_NOOP("Toggles the status bar");
     eType         = 0;
 }
@@ -414,7 +414,7 @@ StdCmdWindowsMenu::StdCmdWindowsMenu()
     sGroup        = QT_TR_NOOP("Window");
     sMenuText     = QT_TR_NOOP("Activates this window");
     sToolTipText  = QT_TR_NOOP("Activates this window");
-    sWhatsThis    = QT_TR_NOOP("Activates this window");
+    sWhatsThis    = "Std_WindowsMenu";
     sStatusTip    = QT_TR_NOOP("Activates this window");
     eType         = 0;
 }
diff --git a/src/Gui/NetworkRetriever.cpp b/src/Gui/NetworkRetriever.cpp
index 242293012e..7dfd1057cb 100644
--- a/src/Gui/NetworkRetriever.cpp
+++ b/src/Gui/NetworkRetriever.cpp
@@ -388,7 +388,7 @@ StdCmdDownloadOnlineHelp::StdCmdDownloadOnlineHelp( QObject * parent)
     sGroup        = QT_TR_NOOP("Help");
     sMenuText     = QT_TR_NOOP("Download online help");
     sToolTipText  = QT_TR_NOOP("Download %1's online help");
-    sWhatsThis    = QT_TR_NOOP("Download %1's online help");
+    sWhatsThis    = "Std_DownloadOnlineHelp";
     sStatusTip    = QT_TR_NOOP("Download %1's online help");
     sPixmap       = "help";
 
diff --git a/src/Gui/OnlineDocumentation.cpp b/src/Gui/OnlineDocumentation.cpp
index 68aebf38b5..c1d4648e23 100644
--- a/src/Gui/OnlineDocumentation.cpp
+++ b/src/Gui/OnlineDocumentation.cpp
@@ -380,7 +380,7 @@ StdCmdPythonHelp::StdCmdPythonHelp()
     sGroup        = QT_TR_NOOP("Tools");
     sMenuText     = QT_TR_NOOP("Automatic python modules documentation");
     sToolTipText  = QT_TR_NOOP("Opens a browser to show the Python modules documentation");
-    sWhatsThis    = QT_TR_NOOP("Opens a browser to show the Python modules documentation");
+    sWhatsThis    = "Std_PythonHelp";
     sStatusTip    = QT_TR_NOOP("Opens a browser to show the Python modules documentation");
     sPixmap       = "applications-python";
 }
diff --git a/src/Gui/WhatsThis.cpp b/src/Gui/WhatsThis.cpp
index 4f6b38e66d..cb00f01b43 100644
--- a/src/Gui/WhatsThis.cpp
+++ b/src/Gui/WhatsThis.cpp
@@ -45,7 +45,7 @@ StdCmdDescription::StdCmdDescription()
   sGroup        = QT_TR_NOOP("Help");
   sMenuText     = QT_TR_NOOP("Des&cription");
   sToolTipText  = QT_TR_NOOP("Long description of commands");
-  sWhatsThis    = QT_TR_NOOP("Long description of commands");
+  sWhatsThis    = "Std_DescriptionMode";
   sStatusTip    = QT_TR_NOOP("Long description of commands");
   sAccel        = "F1";
 }
diff --git a/src/Mod/Assembly/Gui/Command.cpp b/src/Mod/Assembly/Gui/Command.cpp
index f979ba6e80..dbdb6e47c9 100644
--- a/src/Mod/Assembly/Gui/Command.cpp
+++ b/src/Mod/Assembly/Gui/Command.cpp
@@ -52,7 +52,7 @@ CmdAssemblyAddNewPart::CmdAssemblyAddNewPart()
     sGroup          = QT_TR_NOOP("Assembly");
     sMenuText       = QT_TR_NOOP("Add new Part");
     sToolTipText    = QT_TR_NOOP("Add a new Part into the active Assembly");
-    sWhatsThis      = "Assembly_ConstraintAxle";
+    sWhatsThis      = "Assembly_AddNewPart";
     sStatusTip      = sToolTipText;
     sPixmap         = "Assembly_Add_New_Part.svg";
 }
@@ -108,7 +108,7 @@ CmdAssemblyAddNewComponent::CmdAssemblyAddNewComponent()
     sGroup          = QT_TR_NOOP("Assembly");
     sMenuText       = QT_TR_NOOP("Add new Assembly");
     sToolTipText    = QT_TR_NOOP("Add a new Subassembly into the active Assembly");
-    sWhatsThis      = sToolTipText;
+    sWhatsThis      = "Assembly_AddNewComponent";
     sStatusTip      = sToolTipText;
     sPixmap         = "Assembly_Assembly_Create_New";
 }
@@ -154,7 +154,7 @@ CmdAssemblyAddExistingComponent::CmdAssemblyAddExistingComponent()
     sGroup          = QT_TR_NOOP("Assembly");
     sMenuText       = QT_TR_NOOP("Add existing Component...");
     sToolTipText    = QT_TR_NOOP("Add a existing Component into the active Assembly, STEP, IGES or BREP");
-    sWhatsThis      = sToolTipText;
+    sWhatsThis      = "Assembly_AddExistingComponent";
     sStatusTip      = sToolTipText;
     sPixmap         = "Assembly_Add_Existing_Part";
 }
@@ -217,7 +217,7 @@ CmdAssemblyImport::CmdAssemblyImport()
     sGroup          = QT_TR_NOOP("Assembly");
     sMenuText       = QT_TR_NOOP("Import assembly...");
     sToolTipText    = QT_TR_NOOP("Import one or more files and create a assembly structure.");
-    sWhatsThis      = sToolTipText;
+    sWhatsThis      = "Assembly_Import";
     sStatusTip      = sToolTipText;
     sPixmap         = 0;
 }
diff --git a/src/Mod/Assembly/Gui/CommandConstraints.cpp b/src/Mod/Assembly/Gui/CommandConstraints.cpp
index ec8cc4712a..8f1af13a03 100644
--- a/src/Mod/Assembly/Gui/CommandConstraints.cpp
+++ b/src/Mod/Assembly/Gui/CommandConstraints.cpp
@@ -118,7 +118,7 @@ CmdAssemblyConstraint::CmdAssemblyConstraint()
     sGroup          = QT_TR_NOOP("Assembly");
     sMenuText       = QT_TR_NOOP("Constraint");
     sToolTipText    = QT_TR_NOOP("Add arbitrary constraints to the assembly");
-    sWhatsThis      = sToolTipText;
+    sWhatsThis      = "Assembly_Constraint";
     sStatusTip      = sToolTipText;
     sPixmap         = "constraints/Assembly_ConstraintGeneral";
 }
@@ -202,7 +202,7 @@ CmdAssemblyConstraintDistance::CmdAssemblyConstraintDistance()
     sGroup          = QT_TR_NOOP("Assembly");
     sMenuText       = QT_TR_NOOP("Constraint Distance...");
     sToolTipText    = QT_TR_NOOP("Set the distance between two selected entities");
-    sWhatsThis      = sToolTipText;
+    sWhatsThis      = "Assembly_ConstraintDistance";
     sStatusTip      = sToolTipText;
     sPixmap         = "constraints/Assembly_ConstraintDistance";
 }
@@ -269,7 +269,7 @@ CmdAssemblyConstraintFix::CmdAssemblyConstraintFix()
     sGroup          = QT_TR_NOOP("Assembly");
     sMenuText       = QT_TR_NOOP("Constraint Fix...");
     sToolTipText    = QT_TR_NOOP("Fix a part in it's rotation and translation");
-    sWhatsThis      = sToolTipText;
+    sWhatsThis      = "Assembly_ConstraintFix";
     sStatusTip      = sToolTipText;
     sPixmap         = "constraints/Assembly_ConstraintLock";
 }
@@ -334,7 +334,7 @@ CmdAssemblyConstraintAngle::CmdAssemblyConstraintAngle()
     sGroup          = QT_TR_NOOP("Assembly");
     sMenuText       = QT_TR_NOOP("Constraint Angle...");
     sToolTipText    = QT_TR_NOOP("Set the angle between two selected entities");
-    sWhatsThis      = sToolTipText;
+    sWhatsThis      = "Assembly_ConstraintAngle";
     sStatusTip      = sToolTipText;
     sPixmap         = "constraints/Assembly_ConstraintAngle";
 }
@@ -403,7 +403,7 @@ CmdAssemblyConstraintOrientation::CmdAssemblyConstraintOrientation()
     sGroup          = QT_TR_NOOP("Assembly");
     sMenuText       = QT_TR_NOOP("Constraint Orientation...");
     sToolTipText    = QT_TR_NOOP("Set the orientation of two selected entities in regard to each other");
-    sWhatsThis      = sToolTipText;
+    sWhatsThis      = "Assembly_ConstraintOrientation";
     sStatusTip      = sToolTipText;
     sPixmap         = "constraints/Assembly_ConstraintOrientation";
 }
@@ -471,7 +471,7 @@ CmdAssemblyConstraintCoincidence::CmdAssemblyConstraintCoincidence()
     sGroup          = QT_TR_NOOP("Assembly");
     sMenuText       = QT_TR_NOOP("Constraint coincidence...");
     sToolTipText    = QT_TR_NOOP("Make the selected entities coincident");
-    sWhatsThis      = sToolTipText;
+    sWhatsThis      = "Assembly_ConstraintCoincidence";
     sStatusTip      = sToolTipText;
     sPixmap         = "constraints/Assembly_ConstraintCoincidence";
 }
@@ -539,7 +539,7 @@ CmdAssemblyConstraintAlignment::CmdAssemblyConstraintAlignment()
     sGroup          = QT_TR_NOOP("Assembly");
     sMenuText       = QT_TR_NOOP("Constraint alignment...");
     sToolTipText    = QT_TR_NOOP("Align the selected entities");
-    sWhatsThis      = sToolTipText;
+    sWhatsThis      = "Assembly_ConstraintAlignment";
     sStatusTip      = sToolTipText;
     sPixmap         = "constraints/Assembly_ConstraintAlignment";
 }
diff --git a/src/Mod/Cam/Gui/Command.cpp b/src/Mod/Cam/Gui/Command.cpp
index 4564d7c512..1d227fe58f 100644
--- a/src/Mod/Cam/Gui/Command.cpp
+++ b/src/Mod/Cam/Gui/Command.cpp
@@ -43,7 +43,7 @@ StdCamCutting::StdCamCutting()
     sGroup        = QT_TR_NOOP("Tools");
     sMenuText     = QT_TR_NOOP("Cutting...");
     sToolTipText  = QT_TR_NOOP("Cutting");
-    sWhatsThis    = QT_TR_NOOP("Cutting");
+    sWhatsThis    = "Cam_Cutting";
     sStatusTip    = QT_TR_NOOP("Cutting");
 }
 
diff --git a/src/Mod/Fem/Gui/Command.cpp b/src/Mod/Fem/Gui/Command.cpp
index d5319f5670..7ac6024193 100644
--- a/src/Mod/Fem/Gui/Command.cpp
+++ b/src/Mod/Fem/Gui/Command.cpp
@@ -973,7 +973,7 @@ CmdFemDefineNodesSet::CmdFemDefineNodesSet()
     sGroup        = QT_TR_NOOP("Fem");
     sMenuText     = QT_TR_NOOP("Create node set by Poly");
     sToolTipText  = QT_TR_NOOP("Create node set by Poly");
-    sWhatsThis    = "Create node set by Poly";
+    sWhatsThis    = "FEM_DefineNodesSet";
     sStatusTip    = QT_TR_NOOP("Create node set by Poly");
     sPixmap       = "fem-femmesh-create-node-by-poly";
 }
diff --git a/src/Mod/Image/Gui/Command.cpp b/src/Mod/Image/Gui/Command.cpp
index 82a0b90543..0f502ba5e3 100644
--- a/src/Mod/Image/Gui/Command.cpp
+++ b/src/Mod/Image/Gui/Command.cpp
@@ -53,7 +53,7 @@ CmdImageOpen::CmdImageOpen()
     sGroup          = QT_TR_NOOP("Image");
     sMenuText       = QT_TR_NOOP("Open...");
     sToolTipText    = QT_TR_NOOP("Open image view");
-    sWhatsThis      = sToolTipText;
+    sWhatsThis      = "Image_Open";
     sStatusTip      = sToolTipText;
     sPixmap         = "image-import";
 }
@@ -101,7 +101,7 @@ CmdCreateImagePlane::CmdCreateImagePlane()
     sGroup          = QT_TR_NOOP("Image");
     sMenuText       = QT_TR_NOOP("Create image plane...");
     sToolTipText    = QT_TR_NOOP("Create a planar image in the 3D space");
-    sWhatsThis      = sToolTipText;
+    sWhatsThis      = "Image_CreateImagePlane";
     sStatusTip      = sToolTipText;
     sPixmap         = "image-import";
 }
@@ -175,7 +175,7 @@ CmdImageCapturerTest::CmdImageCapturerTest()
     sGroup          = ("Image");
     sMenuText       = ("CapturerTest");
     sToolTipText    = ("test camara capturing");
-    sWhatsThis      = sToolTipText;
+    sWhatsThis      = "Image_CapturerTest";
     sStatusTip      = sToolTipText;
     sPixmap         = "camera-photo";
 }
diff --git a/src/Mod/Points/Gui/Command.cpp b/src/Mod/Points/Gui/Command.cpp
index f4ba44d78f..9959a718ac 100644
--- a/src/Mod/Points/Gui/Command.cpp
+++ b/src/Mod/Points/Gui/Command.cpp
@@ -64,7 +64,7 @@ CmdPointsImport::CmdPointsImport()
     sGroup        = QT_TR_NOOP("Points");
     sMenuText     = QT_TR_NOOP("Import points...");
     sToolTipText  = QT_TR_NOOP("Imports a point cloud");
-    sWhatsThis    = QT_TR_NOOP("Imports a point cloud");
+    sWhatsThis    = "Points_Import";
     sStatusTip    = QT_TR_NOOP("Imports a point cloud");
     sPixmap       = "Points_Import_Point_cloud";
 }
@@ -113,7 +113,7 @@ CmdPointsExport::CmdPointsExport()
     sGroup        = QT_TR_NOOP("Points");
     sMenuText     = QT_TR_NOOP("Export points...");
     sToolTipText  = QT_TR_NOOP("Exports a point cloud");
-    sWhatsThis    = QT_TR_NOOP("Exports a point cloud");
+    sWhatsThis    = "Points_Export";
     sStatusTip    = QT_TR_NOOP("Exports a point cloud");
     sPixmap       = "Points_Export_Point_cloud";
 }
@@ -154,7 +154,7 @@ CmdPointsTransform::CmdPointsTransform()
     sGroup        = QT_TR_NOOP("Points");
     sMenuText     = QT_TR_NOOP("Transform Points");
     sToolTipText  = QT_TR_NOOP("Test to transform a point cloud");
-    sWhatsThis    = QT_TR_NOOP("Test to transform a point cloud");
+    sWhatsThis    = "Points_Transform";
     sStatusTip    = QT_TR_NOOP("Test to transform a point cloud");
     sPixmap       = "Test1";
 }
@@ -191,7 +191,7 @@ CmdPointsConvert::CmdPointsConvert()
     sGroup        = QT_TR_NOOP("Points");
     sMenuText     = QT_TR_NOOP("Convert to points...");
     sToolTipText  = QT_TR_NOOP("Convert to points");
-    sWhatsThis    = QT_TR_NOOP("Convert to points");
+    sWhatsThis    = "Points_Convert";
     sStatusTip    = QT_TR_NOOP("Convert to points");
 }
 
@@ -272,7 +272,7 @@ CmdPointsPolyCut::CmdPointsPolyCut()
     sGroup        = QT_TR_NOOP("Points");
     sMenuText     = QT_TR_NOOP("Cut point cloud");
     sToolTipText  = QT_TR_NOOP("Cuts a point cloud with a picked polygon");
-    sWhatsThis    = QT_TR_NOOP("Cuts a point cloud with a picked polygon");
+    sWhatsThis    = "Points_PolyCut";
     sStatusTip    = QT_TR_NOOP("Cuts a point cloud with a picked polygon");
     sPixmap       = "PolygonPick";
 }
@@ -317,7 +317,7 @@ CmdPointsMerge::CmdPointsMerge()
     sGroup        = QT_TR_NOOP("Points");
     sMenuText     = QT_TR_NOOP("Merge point clouds");
     sToolTipText  = QT_TR_NOOP("Merge several point clouds into one");
-    sWhatsThis    = QT_TR_NOOP("Merge several point clouds into one");
+    sWhatsThis    = "Points_Merge";
     sStatusTip    = QT_TR_NOOP("Merge several point clouds into one");
 }
 
diff --git a/src/Mod/Sandbox/Gui/Command.cpp b/src/Mod/Sandbox/Gui/Command.cpp
index 2f49c67aee..7b1679631f 100644
--- a/src/Mod/Sandbox/Gui/Command.cpp
+++ b/src/Mod/Sandbox/Gui/Command.cpp
@@ -90,7 +90,7 @@ CmdSandboxDocumentThread::CmdSandboxDocumentThread()
     sGroup        = QT_TR_NOOP("Sandbox");
     sMenuText     = QT_TR_NOOP("Run several threads");
     sToolTipText  = QT_TR_NOOP("Sandbox Test function");
-    sWhatsThis    = QT_TR_NOOP("Sandbox Test function");
+    sWhatsThis    = "Sandbox_Thread";
     sStatusTip    = QT_TR_NOOP("Sandbox Test function");
     sPixmap       = "Std_Tool1";
 }
@@ -117,7 +117,7 @@ CmdSandboxDocumentTestThread::CmdSandboxDocumentTestThread()
     sGroup        = QT_TR_NOOP("Sandbox");
     sMenuText     = QT_TR_NOOP("Test thread");
     sToolTipText  = QT_TR_NOOP("Sandbox Test function");
-    sWhatsThis    = QT_TR_NOOP("Sandbox Test function");
+    sWhatsThis    = "Sandbox_TestThread";
     sStatusTip    = QT_TR_NOOP("Sandbox Test function");
     sPixmap       = "Std_Tool1";
 }
@@ -141,7 +141,7 @@ CmdSandboxDocumentSaveThread::CmdSandboxDocumentSaveThread()
     sGroup        = QT_TR_NOOP("Sandbox");
     sMenuText     = QT_TR_NOOP("Save thread");
     sToolTipText  = QT_TR_NOOP("Sandbox save function");
-    sWhatsThis    = QT_TR_NOOP("Sandbox save function");
+    sWhatsThis    = "Sandbox_SaveThread";
     sStatusTip    = QT_TR_NOOP("Sandbox save function");
 }
 
@@ -169,7 +169,7 @@ CmdSandboxDocThreadWithSeq::CmdSandboxDocThreadWithSeq()
     sGroup        = QT_TR_NOOP("Sandbox");
     sMenuText     = QT_TR_NOOP("Thread and sequencer");
     sToolTipText  = QT_TR_NOOP("Sandbox Test function");
-    sWhatsThis    = QT_TR_NOOP("Sandbox Test function");
+    sWhatsThis    = "Sandbox_SeqThread";
     sStatusTip    = QT_TR_NOOP("Sandbox Test function");
     sPixmap       = "Std_Tool2";
 }
@@ -208,7 +208,7 @@ CmdSandboxDocThreadBusy::CmdSandboxDocThreadBusy()
     sGroup        = QT_TR_NOOP("Sandbox");
     sMenuText     = QT_TR_NOOP("Thread and no sequencer");
     sToolTipText  = QT_TR_NOOP("Sandbox Test function");
-    sWhatsThis    = QT_TR_NOOP("Sandbox Test function");
+    sWhatsThis    = "Sandbox_BlockThread";
     sStatusTip    = QT_TR_NOOP("Sandbox Test function");
     sPixmap       = "Std_Tool3";
 }
@@ -245,7 +245,7 @@ CmdSandboxDocumentNoThread::CmdSandboxDocumentNoThread()
     sGroup        = QT_TR_NOOP("Sandbox");
     sMenuText     = QT_TR_NOOP("GUI thread");
     sToolTipText  = QT_TR_NOOP("Sandbox Test function");
-    sWhatsThis    = QT_TR_NOOP("Sandbox Test function");
+    sWhatsThis    = "Sandbox_NoThread";
     sStatusTip    = QT_TR_NOOP("Sandbox Test function");
     sPixmap       = "Std_Tool4";
 }
@@ -276,7 +276,7 @@ CmdSandboxWorkerThread::CmdSandboxWorkerThread()
     sGroup        = QT_TR_NOOP("Sandbox");
     sMenuText     = QT_TR_NOOP("Worker thread");
     sToolTipText  = QT_TR_NOOP("Sandbox Test function");
-    sWhatsThis    = QT_TR_NOOP("Sandbox Test function");
+    sWhatsThis    = "Sandbox_WorkerThread";
     sStatusTip    = QT_TR_NOOP("Sandbox Test function");
     sPixmap       = "Std_Tool1";
 }
@@ -299,7 +299,7 @@ CmdSandboxPythonLockThread::CmdSandboxPythonLockThread()
     sGroup        = QT_TR_NOOP("Sandbox");
     sMenuText     = QT_TR_NOOP("Locked Python threads");
     sToolTipText  = QT_TR_NOOP("Use Python's thread module where each thread is locked");
-    sWhatsThis    = QT_TR_NOOP("Use Python's thread module where each thread is locked");
+    sWhatsThis    = "Sandbox_PythonLockThread"
     sStatusTip    = QT_TR_NOOP("Use Python's thread module where each thread is locked");
 }
 
@@ -334,7 +334,7 @@ CmdSandboxPythonNolockThread::CmdSandboxPythonNolockThread()
     sGroup        = QT_TR_NOOP("Sandbox");
     sMenuText     = QT_TR_NOOP("Unlocked Python threads");
     sToolTipText  = QT_TR_NOOP("Use Python's thread module where each thread is unlocked");
-    sWhatsThis    = QT_TR_NOOP("Use Python's thread module where each thread is unlocked");
+    sWhatsThis    = "Sandbox_NolockPython";
     sStatusTip    = QT_TR_NOOP("Use Python's thread module where each thread is unlocked");
 }
 
@@ -366,7 +366,7 @@ CmdSandboxPyQtThread::CmdSandboxPyQtThread()
     sGroup        = QT_TR_NOOP("Sandbox");
     sMenuText     = QT_TR_NOOP("PyQt threads");
     sToolTipText  = QT_TR_NOOP("Use PyQt's thread module");
-    sWhatsThis    = QT_TR_NOOP("Use PyQt's thread module");
+    sWhatsThis    = "Sandbox_PyQtThread";
     sStatusTip    = QT_TR_NOOP("Use PyQt's thread module");
 }
 
@@ -401,7 +401,7 @@ CmdSandboxPythonThread::CmdSandboxPythonThread()
     sGroup        = QT_TR_NOOP("Sandbox");
     sMenuText     = QT_TR_NOOP("Python threads");
     sToolTipText  = QT_TR_NOOP("Use class PythonThread running Python code in its run() method");
-    sWhatsThis    = QT_TR_NOOP("Use class PythonThread running Python code in its run() method");
+    sWhatsThis    = "Sandbox_PythonThread";
     sStatusTip    = QT_TR_NOOP("Use class PythonThread running Python code in its run() method");
 }
 
@@ -427,7 +427,7 @@ CmdSandboxPythonMainThread::CmdSandboxPythonMainThread()
     sGroup        = QT_TR_NOOP("Sandbox");
     sMenuText     = QT_TR_NOOP("Python main thread");
     sToolTipText  = QT_TR_NOOP("Run python code in main thread");
-    sWhatsThis    = QT_TR_NOOP("Run python code in main thread");
+    sWhatsThis    = "Sandbox_PythonMainThread";
     sStatusTip    = QT_TR_NOOP("Run python code in main thread");
 }
 
@@ -453,7 +453,7 @@ CmdSandboxDocThreadWithDialog::CmdSandboxDocThreadWithDialog()
     sGroup        = QT_TR_NOOP("Sandbox");
     sMenuText     = QT_TR_NOOP("Thread and modal dialog");
     sToolTipText  = QT_TR_NOOP("Sandbox Test function");
-    sWhatsThis    = QT_TR_NOOP("Sandbox Test function");
+    sWhatsThis    = "Sandbox_Dialog";
     sStatusTip    = QT_TR_NOOP("Sandbox Test function");
     sPixmap       = "Std_Tool7";
 }
@@ -480,7 +480,7 @@ CmdSandboxDocThreadWithFileDlg::CmdSandboxDocThreadWithFileDlg()
     sGroup        = QT_TR_NOOP("Sandbox");
     sMenuText     = QT_TR_NOOP("Thread and file dialog");
     sToolTipText  = QT_TR_NOOP("Sandbox Test function");
-    sWhatsThis    = QT_TR_NOOP("Sandbox Test function");
+    sWhatsThis    = "Sandbox_FileDialog";
     sStatusTip    = QT_TR_NOOP("Sandbox Test function");
     sPixmap       = "Std_Tool7";
 }
@@ -518,7 +518,7 @@ CmdSandboxEventLoop::CmdSandboxEventLoop()
     sGroup        = QT_TR_NOOP("Sandbox");
     sMenuText     = QT_TR_NOOP("Local event loop");
     sToolTipText  = QT_TR_NOOP("Sandbox Test function");
-    sWhatsThis    = QT_TR_NOOP("Sandbox Test function");
+    sWhatsThis    = "Sandbox_EventLoop";
     sStatusTip    = QT_TR_NOOP("Sandbox Test function");
     sPixmap       = "Std_Tool6";
 }
@@ -561,7 +561,7 @@ CmdSandboxMeshLoader::CmdSandboxMeshLoader()
     sGroup        = QT_TR_NOOP("Sandbox");
     sMenuText     = QT_TR_NOOP("Load mesh in thread");
     sToolTipText  = QT_TR_NOOP("Sandbox Test function");
-    sWhatsThis    = QT_TR_NOOP("Sandbox Test function");
+    sWhatsThis    = "Sandbox_MeshLoad";
     sStatusTip    = QT_TR_NOOP("Sandbox Test function");
     sPixmap       = "Std_Tool6";
 }
@@ -619,7 +619,7 @@ CmdSandboxMeshLoaderBoost::CmdSandboxMeshLoaderBoost()
     sGroup        = QT_TR_NOOP("Sandbox");
     sMenuText     = QT_TR_NOOP("Load mesh in boost-thread");
     sToolTipText  = QT_TR_NOOP("Sandbox Test function");
-    sWhatsThis    = QT_TR_NOOP("Sandbox Test function");
+    sWhatsThis    = "Sandbox_MeshLoaderBoost";
     sStatusTip    = QT_TR_NOOP("Sandbox Test function");
     sPixmap       = "Std_Tool6";
 }
@@ -673,7 +673,7 @@ CmdSandboxMeshLoaderFuture::CmdSandboxMeshLoaderFuture()
     sGroup        = QT_TR_NOOP("Sandbox");
     sMenuText     = QT_TR_NOOP("Load mesh in QFuture");
     sToolTipText  = QT_TR_NOOP("Sandbox Test function");
-    sWhatsThis    = QT_TR_NOOP("Sandbox Test function");
+    sWhatsThis    = "Sandbox_MeshLoaderFuture";
     sStatusTip    = QT_TR_NOOP("Sandbox Test function");
     sPixmap       = "Std_Tool6";
 }
@@ -788,7 +788,7 @@ CmdSandboxMeshTestJob::CmdSandboxMeshTestJob()
     sGroup        = QT_TR_NOOP("Sandbox");
     sMenuText     = QT_TR_NOOP("Test mesh job");
     sToolTipText  = QT_TR_NOOP("Sandbox Test function");
-    sWhatsThis    = QT_TR_NOOP("Sandbox Test function");
+    sWhatsThis    = "Sandbox_MeshTestJob";
     sStatusTip    = QT_TR_NOOP("Sandbox Test function");
     sPixmap       = "Std_Tool7";
 }
@@ -883,7 +883,7 @@ CmdSandboxMeshTestRef::CmdSandboxMeshTestRef()
     sGroup        = QT_TR_NOOP("Sandbox");
     sMenuText     = QT_TR_NOOP("Test mesh reference");
     sToolTipText  = QT_TR_NOOP("Sandbox Test function");
-    sWhatsThis    = QT_TR_NOOP("Sandbox Test function");
+    sWhatsThis    = "Sandbox_MeshTestRef";
     sStatusTip    = QT_TR_NOOP("Sandbox Test function");
 }
 
@@ -930,7 +930,7 @@ CmdTestGrabWidget::CmdTestGrabWidget()
     sGroup          = "Standard-Test";
     sMenuText       = "Grab widget";
     sToolTipText    = "Grab widget";
-    sWhatsThis      = sToolTipText;
+    sWhatsThis      = "Std_GrabWidget";
     sStatusTip      = sToolTipText;
 }
 
@@ -1064,7 +1064,7 @@ CmdTestImageNode::CmdTestImageNode()
     sGroup          = "Standard-Test";
     sMenuText       = "SoImage node";
     sToolTipText    = "SoImage node";
-    sWhatsThis      = sToolTipText;
+    sWhatsThis      = "Std_ImageNode";
     sStatusTip      = sToolTipText;
 }
 
@@ -1149,7 +1149,7 @@ CmdTestGDIWidget::CmdTestGDIWidget()
     sGroup          = "Standard-Test";
     sMenuText       = "GDI widget";
     sToolTipText    = "GDI widget";
-    sWhatsThis      = sToolTipText;
+    sWhatsThis      = "Sandbox_GDIWidget";
     sStatusTip      = sToolTipText;
 }
 
@@ -1175,7 +1175,7 @@ CmdTestRedirectPaint::CmdTestRedirectPaint()
     sGroup          = "Standard-Test";
     sMenuText       = "Redirect paint";
     sToolTipText    = "Redirect paint";
-    sWhatsThis      = sToolTipText;
+    sWhatsThis      = "Sandbox_RedirectPaint";
     sStatusTip      = sToolTipText;
 }
 
@@ -1214,7 +1214,7 @@ CmdTestCryptographicHash::CmdTestCryptographicHash()
     sGroup          = "Standard-Test";
     sMenuText       = "Cryptographic Hash";
     sToolTipText    = "Cryptographic Hash";
-    sWhatsThis      = sToolTipText;
+    sWhatsThis      = "Sandbox_CryptographicHash"
     sStatusTip      = sToolTipText;
 }
 
@@ -1236,7 +1236,7 @@ CmdTestWidgetShape::CmdTestWidgetShape()
     sGroup          = "Standard-Test";
     sMenuText       = "Widget shape";
     sToolTipText    = "Widget shape";
-    sWhatsThis      = sToolTipText;
+    sWhatsThis      = "Sandbox_WidgetShape";
     sStatusTip      = sToolTipText;
 }
 
@@ -1260,7 +1260,7 @@ CmdMengerSponge::CmdMengerSponge()
     sGroup        = QT_TR_NOOP("Sandbox");
     sMenuText     = QT_TR_NOOP("Menger sponge");
     sToolTipText  = QT_TR_NOOP("Menger sponge");
-    sWhatsThis    = QT_TR_NOOP("Menger sponge");
+    sWhatsThis    = "Sandbox_MengerSponge";
     sStatusTip    = QT_TR_NOOP("Menger sponge");
 }
 
@@ -1456,7 +1456,7 @@ CmdTestTaskBox::CmdTestTaskBox()
     sGroup          = "Standard-Test";
     sMenuText       = "Task box";
     sToolTipText    = "Task box";
-    sWhatsThis      = sToolTipText;
+    sWhatsThis      = "Std_TestTaskBox";
     sStatusTip      = sToolTipText;
 }
 
diff --git a/src/Mod/Sketcher/Gui/CommandConstraints.cpp b/src/Mod/Sketcher/Gui/CommandConstraints.cpp
index d8273973f0..e89d4f212f 100644
--- a/src/Mod/Sketcher/Gui/CommandConstraints.cpp
+++ b/src/Mod/Sketcher/Gui/CommandConstraints.cpp
@@ -6546,7 +6546,7 @@ CmdSketcherConstrainInternalAlignment::CmdSketcherConstrainInternalAlignment()
     sGroup          = QT_TR_NOOP("Sketcher");
     sMenuText       = QT_TR_NOOP("Constrain InternalAlignment");
     sToolTipText    = QT_TR_NOOP("Constrains an element to be aligned with the internal geometry of another element");
-    sWhatsThis      = sToolTipText;
+    sWhatsThis      = "Sketcher_ConstrainInternalAlignment";
     sStatusTip      = sToolTipText;
     sPixmap         = "Constraint_InternalAlignment";
     sAccel          = "Ctrl+A";
diff --git a/src/Mod/Sketcher/Gui/CommandCreateGeo.cpp b/src/Mod/Sketcher/Gui/CommandCreateGeo.cpp
index 384313daa3..6fd9bf49dc 100644
--- a/src/Mod/Sketcher/Gui/CommandCreateGeo.cpp
+++ b/src/Mod/Sketcher/Gui/CommandCreateGeo.cpp
@@ -3092,7 +3092,7 @@ CmdSketcherCreateEllipseByCenter::CmdSketcherCreateEllipseByCenter()
     sGroup          = QT_TR_NOOP("Sketcher");
     sMenuText       = QT_TR_NOOP("Create ellipse by center");
     sToolTipText    = QT_TR_NOOP("Create an ellipse by center in the sketch");
-    sWhatsThis      = sToolTipText;
+    sWhatsThis      = "Sketcher_CreateEllipseByCenter";
     sStatusTip      = sToolTipText;
     sPixmap         = "Sketcher_Conics_Ellipse_Center";
     eType           = ForEdit;
@@ -3122,7 +3122,7 @@ CmdSketcherCreateEllipseBy3Points::CmdSketcherCreateEllipseBy3Points()
     sGroup          = QT_TR_NOOP("Sketcher");
     sMenuText       = QT_TR_NOOP("Create ellipse by 3 points");
     sToolTipText    = QT_TR_NOOP("Create an ellipse by 3 points in the sketch");
-    sWhatsThis      = sToolTipText;
+    sWhatsThis      = "Sketcher_CreateEllipseBy3Points";
     sStatusTip      = sToolTipText;
     sPixmap         = "Sketcher_CreateEllipse_3points";
     eType           = ForEdit;
@@ -3495,7 +3495,7 @@ CmdSketcherCreateArcOfEllipse::CmdSketcherCreateArcOfEllipse()
     sGroup          = QT_TR_NOOP("Sketcher");
     sMenuText       = QT_TR_NOOP("Create an arc of ellipse");
     sToolTipText    = QT_TR_NOOP("Create an arc of ellipse in the sketch");
-    sWhatsThis      = sToolTipText;
+    sWhatsThis      = "Sketcher_CreateArcOfEllipse";
     sStatusTip      = sToolTipText;
     sPixmap         = "Sketcher_Elliptical_Arc";
     eType           = ForEdit;
@@ -3879,7 +3879,7 @@ CmdSketcherCreateArcOfHyperbola::CmdSketcherCreateArcOfHyperbola()
     sGroup          = QT_TR_NOOP("Sketcher");
     sMenuText       = QT_TR_NOOP("Create an arc of hyperbola");
     sToolTipText    = QT_TR_NOOP("Create an arc of hyperbola in the sketch");
-    sWhatsThis      = sToolTipText;
+    sWhatsThis      = "Sketcher_CreateArcOfHyperbola";
     sStatusTip      = sToolTipText;
     sPixmap         = "Sketcher_Hyperbolic_Arc";
     eType           = ForEdit;
@@ -4224,7 +4224,7 @@ CmdSketcherCreateArcOfParabola::CmdSketcherCreateArcOfParabola()
     sGroup          = QT_TR_NOOP("Sketcher");
     sMenuText       = QT_TR_NOOP("Create an arc of parabola");
     sToolTipText    = QT_TR_NOOP("Create an arc of parabola in the sketch");
-    sWhatsThis      = sToolTipText;
+    sWhatsThis      = "Sketcher_CreateArcOfParabola";
     sStatusTip      = sToolTipText;
     sPixmap         = "Sketcher_Parabolic_Arc";
     eType           = ForEdit;
@@ -4256,7 +4256,7 @@ CmdSketcherCompCreateConic::CmdSketcherCompCreateConic()
     sGroup          = QT_TR_NOOP("Sketcher");
     sMenuText       = QT_TR_NOOP("Create a conic");
     sToolTipText    = QT_TR_NOOP("Create a conic in the sketch");
-    sWhatsThis      = sToolTipText;
+    sWhatsThis      = "Sketcher_CompCreateConic";
     sStatusTip      = sToolTipText;
     eType           = ForEdit;
 }
@@ -4858,7 +4858,7 @@ CmdSketcherCreatePeriodicBSpline::CmdSketcherCreatePeriodicBSpline()
     sGroup          = QT_TR_NOOP("Sketcher");
     sMenuText       = QT_TR_NOOP("Create periodic B-spline");
     sToolTipText    = QT_TR_NOOP("Create a periodic B-spline via control point in the sketch.");
-    sWhatsThis      = sToolTipText;
+    sWhatsThis      = "Sketcher_CreatePeriodicBSpline";
     sStatusTip      = sToolTipText;
     sPixmap         = "Sketcher_Create_Periodic_BSpline";
     eType           = ForEdit;
@@ -4889,7 +4889,7 @@ CmdSketcherCompCreateBSpline::CmdSketcherCompCreateBSpline()
     sGroup          = QT_TR_NOOP("Sketcher");
     sMenuText       = QT_TR_NOOP("Create a B-spline");
     sToolTipText    = QT_TR_NOOP("Create a B-spline in the sketch");
-    sWhatsThis      = sToolTipText;
+    sWhatsThis      = "Sketcher_CompCreateBSpline";
     sStatusTip      = sToolTipText;
     eType           = ForEdit;
 }
@@ -7443,7 +7443,7 @@ CmdSketcherCreateRegularPolygon::CmdSketcherCreateRegularPolygon()
     sGroup          = QT_TR_NOOP("Sketcher");
     sMenuText       = QT_TR_NOOP("Create regular polygon");
     sToolTipText    = QT_TR_NOOP("Create a regular polygon in the sketch");
-    sWhatsThis      = "CreateRegularPolygon";
+    sWhatsThis      = ""Sketcher_CreateRegularPolygon"";
     sStatusTip      = sToolTipText;
     sPixmap         = "CreateRegularPolygon";
     sAccel          = "";
diff --git a/src/Mod/Sketcher/Gui/CommandSketcherTools.cpp b/src/Mod/Sketcher/Gui/CommandSketcherTools.cpp
index 2d0c3af5e7..c25fc46809 100644
--- a/src/Mod/Sketcher/Gui/CommandSketcherTools.cpp
+++ b/src/Mod/Sketcher/Gui/CommandSketcherTools.cpp
@@ -712,7 +712,7 @@ CmdSketcherRestoreInternalAlignmentGeometry::CmdSketcherRestoreInternalAlignment
     sGroup          = QT_TR_NOOP("Sketcher");
     sMenuText       = QT_TR_NOOP("Show/hide internal geometry");
     sToolTipText    = QT_TR_NOOP("Show all internal geometry / hide unused internal geometry");
-    sWhatsThis      = sToolTipText;
+    sWhatsThis      = "Sketcher_RestoreInternalAlignmentGeometry";
     sStatusTip      = sToolTipText;
     sPixmap         = "Sketcher_Element_Ellipse_All";
     sAccel          = "CTRL+SHIFT+E";
@@ -810,7 +810,7 @@ CmdSketcherSymmetry::CmdSketcherSymmetry()
     sGroup          = QT_TR_NOOP("Sketcher");
     sMenuText       = QT_TR_NOOP("Symmetry");
     sToolTipText    = QT_TR_NOOP("Creates symmetric geometry with respect to the last selected line or point");
-    sWhatsThis      = sToolTipText;
+    sWhatsThis      = "Sketcher_Symmetry";
     sStatusTip      = sToolTipText;
     sPixmap         = "Sketcher_Symmetry";
     sAccel          = "";
@@ -1287,7 +1287,7 @@ CmdSketcherCopy::CmdSketcherCopy()
     sGroup          = QT_TR_NOOP("Sketcher");
     sMenuText       = QT_TR_NOOP("Copy");
     sToolTipText    = QT_TR_NOOP("Creates a simple copy of the geometry taking as reference the last selected point");
-    sWhatsThis      = sToolTipText;
+    sWhatsThis      = "Sketcher_Copy";
     sStatusTip      = sToolTipText;
     sPixmap         = "Sketcher_Copy";
     sAccel          = "";
@@ -1324,7 +1324,7 @@ CmdSketcherClone::CmdSketcherClone()
     sGroup          = QT_TR_NOOP("Sketcher");
     sMenuText       = QT_TR_NOOP("Clone");
     sToolTipText    = QT_TR_NOOP("Creates a clone of the geometry taking as reference the last selected point");
-    sWhatsThis      = sToolTipText;
+    sWhatsThis      = "Sketcher_Clone";
     sStatusTip      = sToolTipText;
     sPixmap         = "Sketcher_Clone";
     sAccel          = "";
@@ -1604,7 +1604,7 @@ CmdSketcherRectangularArray::CmdSketcherRectangularArray()
     sGroup          = QT_TR_NOOP("Sketcher");
     sMenuText       = QT_TR_NOOP("Rectangular Array");
     sToolTipText    = QT_TR_NOOP("Creates an rectangular array pattern of the geometry taking as reference the last selected point");
-    sWhatsThis      = sToolTipText;
+    sWhatsThis      = "Sketcher_RectangularArray";
     sStatusTip      = sToolTipText;
     sPixmap         = "Sketcher_RectangularArray";
     sAccel          = "";
diff --git a/src/Mod/Spreadsheet/Gui/Command.cpp b/src/Mod/Spreadsheet/Gui/Command.cpp
index 7d9bec1068..d6b2145b34 100644
--- a/src/Mod/Spreadsheet/Gui/Command.cpp
+++ b/src/Mod/Spreadsheet/Gui/Command.cpp
@@ -61,7 +61,7 @@ CmdSpreadsheetMergeCells::CmdSpreadsheetMergeCells()
     sGroup          = QT_TR_NOOP("Spreadsheet");
     sMenuText       = QT_TR_NOOP("Merge cells");
     sToolTipText    = QT_TR_NOOP("Merge selected cells in spreadsheet");
-    sWhatsThis      = sToolTipText;
+    sWhatsThis      = "Spreadsheet_MergeCells";
     sStatusTip      = sToolTipText;
     sPixmap         = "SpreadsheetMergeCells";
 }
@@ -114,7 +114,7 @@ CmdSpreadsheetSplitCell::CmdSpreadsheetSplitCell()
     sGroup          = QT_TR_NOOP("Spreadsheet");
     sMenuText       = QT_TR_NOOP("Split cell");
     sToolTipText    = QT_TR_NOOP("Split previously merged cells in spreadsheet");
-    sWhatsThis      = sToolTipText;
+    sWhatsThis      = "Spreadsheet_SplitCell";
     sStatusTip      = sToolTipText;
     sPixmap         = "SpreadsheetSplitCell";
 }
@@ -170,7 +170,7 @@ CmdSpreadsheetImport::CmdSpreadsheetImport()
     sGroup          = QT_TR_NOOP("Spreadsheet");
     sMenuText       = QT_TR_NOOP("Import spreadsheet");
     sToolTipText    = QT_TR_NOOP("Import CSV file into spreadsheet");
-    sWhatsThis      = sToolTipText;
+    sWhatsThis      = "Spreadsheet_Import";
     sStatusTip      = sToolTipText;
     sPixmap         = "SpreadsheetImport";
 }
@@ -210,7 +210,7 @@ CmdSpreadsheetExport::CmdSpreadsheetExport()
     sGroup          = QT_TR_NOOP("Spreadsheet");
     sMenuText       = QT_TR_NOOP("Export spreadsheet");
     sToolTipText    = QT_TR_NOOP("Export spreadsheet to CSV file");
-    sWhatsThis      = sToolTipText;
+    sWhatsThis      = "Spreadsheet_Export";
     sStatusTip      = sToolTipText;
     sPixmap         = "SpreadsheetExport";
 }
@@ -259,7 +259,7 @@ CmdSpreadsheetAlignLeft::CmdSpreadsheetAlignLeft()
     sGroup          = QT_TR_NOOP("Spreadsheet");
     sMenuText       = QT_TR_NOOP("Align left");
     sToolTipText    = QT_TR_NOOP("Left-align contents of selected cells");
-    sWhatsThis      = sToolTipText;
+    sWhatsThis      = "Spreadsheet_AlignLeft";
     sStatusTip      = sToolTipText;
     sPixmap         = "SpreadsheetAlignLeft";
 }
@@ -311,7 +311,7 @@ CmdSpreadsheetAlignCenter::CmdSpreadsheetAlignCenter()
     sGroup          = QT_TR_NOOP("Spreadsheet");
     sMenuText       = QT_TR_NOOP("Align center");
     sToolTipText    = QT_TR_NOOP("Center-align contents of selected cells");
-    sWhatsThis      = sToolTipText;
+    sWhatsThis      = "Spreadsheet_AlignCenter";
     sStatusTip      = sToolTipText;
     sPixmap         = "SpreadsheetAlignCenter";
 }
@@ -363,7 +363,7 @@ CmdSpreadsheetAlignRight::CmdSpreadsheetAlignRight()
     sGroup          = QT_TR_NOOP("Spreadsheet");
     sMenuText       = QT_TR_NOOP("Align right");
     sToolTipText    = QT_TR_NOOP("Right-align contents of selected cells");
-    sWhatsThis      = sToolTipText;
+    sWhatsThis      = "Spreadsheet_AlignRight";
     sStatusTip      = sToolTipText;
     sPixmap         = "SpreadsheetAlignRight";
 }
@@ -415,7 +415,7 @@ CmdSpreadsheetAlignTop::CmdSpreadsheetAlignTop()
     sGroup          = QT_TR_NOOP("Spreadsheet");
     sMenuText       = QT_TR_NOOP("Align top");
     sToolTipText    = QT_TR_NOOP("Top-align contents of selected cells");
-    sWhatsThis      = sToolTipText;
+    sWhatsThis      = "Spreadsheet_AlignTop";
     sStatusTip      = sToolTipText;
     sPixmap         = "SpreadsheetAlignTop";
 }
@@ -467,7 +467,7 @@ CmdSpreadsheetAlignBottom::CmdSpreadsheetAlignBottom()
     sGroup          = QT_TR_NOOP("Spreadsheet");
     sMenuText       = QT_TR_NOOP("Align bottom");
     sToolTipText    = QT_TR_NOOP("Bottom-align contents of selected cells");
-    sWhatsThis      = sToolTipText;
+    sWhatsThis      = "Spreadsheet_AlignBottom";
     sStatusTip      = sToolTipText;
     sPixmap         = "SpreadsheetAlignBottom";
 }
@@ -519,7 +519,7 @@ CmdSpreadsheetAlignVCenter::CmdSpreadsheetAlignVCenter()
     sGroup          = QT_TR_NOOP("Spreadsheet");
     sMenuText       = QT_TR_NOOP("Vertically center-align");
     sToolTipText    = QT_TR_NOOP("Center-align contents vertically of selected cells");
-    sWhatsThis      = sToolTipText;
+    sWhatsThis      = "Spreadsheet_AlignVCenter";
     sStatusTip      = sToolTipText;
     sPixmap         = "SpreadsheetAlignVCenter";
 }
@@ -571,7 +571,7 @@ CmdSpreadsheetStyleBold::CmdSpreadsheetStyleBold()
     sGroup          = QT_TR_NOOP("Spreadsheet");
     sMenuText       = QT_TR_NOOP("Bold text");
     sToolTipText    = QT_TR_NOOP("Set bold text in selected cells");
-    sWhatsThis      = sToolTipText;
+    sWhatsThis      = "Spreadsheet_StyleBold";
     sStatusTip      = sToolTipText;
     sPixmap         = "SpreadsheetStyleBold";
 }
@@ -645,7 +645,7 @@ CmdSpreadsheetStyleItalic::CmdSpreadsheetStyleItalic()
     sGroup          = QT_TR_NOOP("Spreadsheet");
     sMenuText       = QT_TR_NOOP("Italic text");
     sToolTipText    = QT_TR_NOOP("Set italic text in selected cells");
-    sWhatsThis      = sToolTipText;
+    sWhatsThis      = "Spreadsheet_StyleItalic";
     sStatusTip      = sToolTipText;
     sPixmap         = "SpreadsheetStyleItalic";
 }
@@ -719,7 +719,7 @@ CmdSpreadsheetStyleUnderline::CmdSpreadsheetStyleUnderline()
     sGroup          = QT_TR_NOOP("Spreadsheet");
     sMenuText       = QT_TR_NOOP("Underline text");
     sToolTipText    = QT_TR_NOOP("Set underline text in selected cells");
-    sWhatsThis      = sToolTipText;
+    sWhatsThis      = "Spreadsheet_StyleUnderline";
     sStatusTip      = sToolTipText;
     sPixmap         = "SpreadsheetStyleUnderline";
 }
@@ -792,7 +792,7 @@ CmdSpreadsheetSetAlias::CmdSpreadsheetSetAlias()
     sGroup          = QT_TR_NOOP("Spreadsheet");
     sMenuText       = QT_TR_NOOP("Set alias");
     sToolTipText    = QT_TR_NOOP("Set alias for selected cell");
-    sWhatsThis      = sToolTipText;
+    sWhatsThis      = "Spreadsheet_SetAlias";
     sStatusTip      = sToolTipText;
     sAccel          = "Ctrl+Shift+A";
     sPixmap         = "SpreadsheetAlias";
@@ -856,7 +856,7 @@ CmdCreateSpreadsheet::CmdCreateSpreadsheet()
     sGroup          = QT_TR_NOOP("Spreadsheet");
     sMenuText       = QT_TR_NOOP("Create spreadsheet");
     sToolTipText    = QT_TR_NOOP("Create a new spreadsheet");
-    sWhatsThis      = sToolTipText;
+    sWhatsThis      = "Spreadsheet_CreateSheet";
     sStatusTip      = sToolTipText;
     sPixmap         = "Spreadsheet";
 }
diff --git a/src/Mod/Start/Gui/Command.cpp b/src/Mod/Start/Gui/Command.cpp
index 5a61e3b836..c226993263 100644
--- a/src/Mod/Start/Gui/Command.cpp
+++ b/src/Mod/Start/Gui/Command.cpp
@@ -42,7 +42,7 @@ CmdStartConstraintAxle::CmdStartConstraintAxle()
     sGroup          = QT_TR_NOOP("Start");
     sMenuText       = QT_TR_NOOP("Constraint Axle...");
     sToolTipText    = QT_TR_NOOP("Set an axle constraint between two objects");
-    sWhatsThis      = sToolTipText;
+    sWhatsThis      = "Start_ConstraintAxle";
     sStatusTip      = sToolTipText;
     sPixmap         = "actions/document-new";
 }
diff --git a/src/Mod/Surface/Gui/Command.cpp b/src/Mod/Surface/Gui/Command.cpp
index fa1ddcdfbb..5644df207e 100644
--- a/src/Mod/Surface/Gui/Command.cpp
+++ b/src/Mod/Surface/Gui/Command.cpp
@@ -76,7 +76,7 @@ CmdSurfaceCut::CmdSurfaceCut()
     sGroup        = QT_TR_NOOP("Surface");
     sMenuText     = QT_TR_NOOP("Surface Cut function");
     sToolTipText  = QT_TR_NOOP("Cuts a Shape with another Shape.\nReturns a modified version of the first shape");
-    sWhatsThis    = QT_TR_NOOP("Surface Cut function");
+    sWhatsThis    = "Surface_Cut";
     sStatusTip    = QT_TR_NOOP("Surface Cut function");
     sPixmap       = "Cut.svg";
     sAccel        = "CTRL+H";
@@ -135,7 +135,7 @@ CmdSurfaceFilling::CmdSurfaceFilling()
     sMenuText     = QT_TR_NOOP("Filling...");
     sToolTipText  = QT_TR_NOOP("Fills a series of boundary curves, constraint curves and vertexes with a surface");
     sStatusTip    = QT_TR_NOOP("Fills a series of boundary curves, constraint curves and vertexes with a surface");
-    sWhatsThis    = QT_TR_NOOP("Surface_Filling");
+    sWhatsThis    = "Surface_Filling";
     sPixmap       = "Filling.svg";
 }
 
diff --git a/src/Mod/Web/Gui/Command.cpp b/src/Mod/Web/Gui/Command.cpp
index 06e0f9fd7d..89df54493c 100644
--- a/src/Mod/Web/Gui/Command.cpp
+++ b/src/Mod/Web/Gui/Command.cpp
@@ -50,7 +50,7 @@ CmdWebOpenWebsite::CmdWebOpenWebsite()
     sGroup          = QT_TR_NOOP("Web");
     sMenuText       = QT_TR_NOOP("Open website...");
     sToolTipText    = QT_TR_NOOP("Opens a website in FreeCAD");
-    sWhatsThis      = sToolTipText;
+    sWhatsThis      = "Web_OpenWebsite";
     sStatusTip      = sToolTipText;
     sPixmap         = "actions/web-browser";
 }
@@ -76,7 +76,7 @@ CmdWebBrowserBack::CmdWebBrowserBack()
     sGroup          = QT_TR_NOOP("Web");
     sMenuText       = QT_TR_NOOP("Previous page");
     sToolTipText    = QT_TR_NOOP("Go back to the previous page");
-    sWhatsThis      = sToolTipText;
+    sWhatsThis      = "Web_BrowserBack";
     sStatusTip      = sToolTipText;
     sPixmap         = "actions/web-previous";
 }
@@ -105,7 +105,7 @@ CmdWebBrowserNext::CmdWebBrowserNext()
     sGroup          = QT_TR_NOOP("Web");
     sMenuText       = QT_TR_NOOP("Next page");
     sToolTipText    = QT_TR_NOOP("Go to the next page");
-    sWhatsThis      = sToolTipText;
+    sWhatsThis      = "Web_BrowserNext";
     sStatusTip      = sToolTipText;
     sPixmap         = "actions/web-next";
 }
@@ -134,7 +134,7 @@ CmdWebBrowserRefresh::CmdWebBrowserRefresh()
     sGroup          = QT_TR_NOOP("Web");
     sMenuText       = QT_TR_NOOP("Refresh web page");
     sToolTipText    = QT_TR_NOOP("Refresh web page");
-    sWhatsThis      = sToolTipText;
+    sWhatsThis      = "Web_BrowserRefresh";
     sStatusTip      = sToolTipText;
     sPixmap         = "actions/web-refresh";
 }
@@ -162,7 +162,7 @@ CmdWebBrowserStop::CmdWebBrowserStop()
     sGroup          = QT_TR_NOOP("Web");
     sMenuText       = QT_TR_NOOP("Stop loading");
     sToolTipText    = QT_TR_NOOP("Stop the current loading");
-    sWhatsThis      = sToolTipText;
+    sWhatsThis      = "Web_BrowserStop";
     sStatusTip      = sToolTipText;
     sPixmap         = "actions/web-stop";
 }
@@ -192,7 +192,7 @@ CmdWebBrowserZoomIn::CmdWebBrowserZoomIn()
     sGroup          = QT_TR_NOOP("Web");
     sMenuText       = QT_TR_NOOP("Zoom in");
     sToolTipText    = QT_TR_NOOP("Zoom into the page");
-    sWhatsThis      = sToolTipText;
+    sWhatsThis      = "Web_BrowserZoomIn";
     sStatusTip      = sToolTipText;
     sPixmap         = "actions/web-zoom-in";
 }
@@ -221,7 +221,7 @@ CmdWebBrowserZoomOut::CmdWebBrowserZoomOut()
     sGroup          = QT_TR_NOOP("Web");
     sMenuText       = QT_TR_NOOP("Zoom out");
     sToolTipText    = QT_TR_NOOP("Zoom out of the page");
-    sWhatsThis      = sToolTipText;
+    sWhatsThis      = "Web_BrowserZoomOut";
     sStatusTip      = sToolTipText;
     sPixmap         = "actions/web-zoom-out";
 }
diff --git a/src/Tools/_TEMPLATE_/Gui/Command.cpp b/src/Tools/_TEMPLATE_/Gui/Command.cpp
index aac4792816..7399a8851d 100644
--- a/src/Tools/_TEMPLATE_/Gui/Command.cpp
+++ b/src/Tools/_TEMPLATE_/Gui/Command.cpp
@@ -45,7 +45,7 @@ Cmd_TEMPLATE_Test::Cmd_TEMPLATE_Test()
     sGroup        = QT_TR_NOOP("_TEMPLATE_");
     sMenuText     = QT_TR_NOOP("Hello");
     sToolTipText  = QT_TR_NOOP("_TEMPLATE_ Test function");
-    sWhatsThis    = QT_TR_NOOP("_TEMPLATE_ Test function");
+    sWhatsThis    = "_TEMPLATE__Test";
     sStatusTip    = QT_TR_NOOP("_TEMPLATE_ Test function");
     sPixmap       = "Test1";
     sAccel        = "CTRL+H";