diff --git a/src/Mod/Sketcher/Gui/CommandConstraints.cpp b/src/Mod/Sketcher/Gui/CommandConstraints.cpp
index e674731549..3422d848eb 100644
--- a/src/Mod/Sketcher/Gui/CommandConstraints.cpp
+++ b/src/Mod/Sketcher/Gui/CommandConstraints.cpp
@@ -1995,7 +1995,7 @@ void CmdSketcherConstrainBlock::activated(int iMsg)
     // Check that the solver does not report redundant/conflicting constraints
     if(Obj->getLastSolverStatus()!=GCS::Success || Obj->getLastHasConflicts() || Obj->getLastHasRedundancies()) {
       QMessageBox::warning(Gui::getMainWindow(), QObject::tr("Wrong solver status"),
-                           QObject::tr("A Block constraint can not be added if the sketch is unsolved or there are redundant and/or conflicting constraints."));
+                           QObject::tr("A Block constraint cannot be added if the sketch is unsolved or there are redundant and/or conflicting constraints."));
       return;
     }
 
@@ -7092,7 +7092,7 @@ void CmdSketcherConstrainSnellsLaw::activated(int iMsg)
 
         //a bunch of validity checks
         if (areAllPointsOrSegmentsFixed(Obj, GeoId1, GeoId2, GeoId3) ) {
-            strError = QObject::tr("Can not create constraint with external geometry only!!", dmbg);
+            strError = QObject::tr("Cannot create constraint with external geometry only!!", dmbg);
             throw Base::ValueError("");
         }
 
@@ -7281,7 +7281,7 @@ void CmdSketcherConstrainInternalAlignment::activated(int iMsg)
 
         if(ellipseids.size()>1){
             QMessageBox::warning(Gui::getMainWindow(), QObject::tr("Wrong selection"),
-                QObject::tr("You can not internally constraint an ellipse on other ellipse. Select only one ellipse."));
+                QObject::tr("You cannot internally constraint an ellipse on other ellipse. Select only one ellipse."));
             return;
         }
 
@@ -7434,13 +7434,13 @@ void CmdSketcherConstrainInternalAlignment::activated(int iMsg)
 
         if(arcsofellipseids.size()>1){
             QMessageBox::warning(Gui::getMainWindow(), QObject::tr("Wrong selection"),
-                QObject::tr("You can not internally constraint an arc of ellipse on other arc of ellipse. Select only one arc of ellipse."));
+                QObject::tr("You cannot internally constraint an arc of ellipse on other arc of ellipse. Select only one arc of ellipse."));
             return;
         }
 
         if(ellipseids.size()>0){
             QMessageBox::warning(Gui::getMainWindow(), QObject::tr("Wrong selection"),
-                QObject::tr("You can not internally constraint an ellipse on an arc of ellipse. Select only one ellipse or arc of ellipse."));
+                QObject::tr("You cannot internally constraint an ellipse on an arc of ellipse. Select only one ellipse or arc of ellipse."));
             return;
         }
 
diff --git a/src/Mod/Sketcher/Gui/SketcherSettings.ui b/src/Mod/Sketcher/Gui/SketcherSettings.ui
index df46ca7ea2..51874aeada 100644
--- a/src/Mod/Sketcher/Gui/SketcherSettings.ui
+++ b/src/Mod/Sketcher/Gui/SketcherSettings.ui
@@ -120,7 +120,7 @@
       <item row="3" column="0" colspan="2">
        <widget class="Gui::PrefCheckBox" name="dialogOnDistanceConstraint">
         <property name="text">
-         <string>Ask for value after creating a distance constraint</string>
+         <string>Ask for value after creating a dimensional constraint</string>
         </property>
         <property name="checked">
          <bool>true</bool>
diff --git a/src/Mod/Sketcher/Gui/TaskSketcherValidation.cpp b/src/Mod/Sketcher/Gui/TaskSketcherValidation.cpp
index 26a67e773c..ff41749321 100644
--- a/src/Mod/Sketcher/Gui/TaskSketcherValidation.cpp
+++ b/src/Mod/Sketcher/Gui/TaskSketcherValidation.cpp
@@ -220,7 +220,7 @@ void SketcherValidation::on_findReversed_clicked()
                 tr("%1 reversed external-geometry arcs were found. Their endpoints are"
                    " encircled in 3d view.\n\n"
                    "%2 constraints are linking to the endpoints. The constraints have"
-                   " been listed in Report view (menu View -> Views -> Report view).\n\n"
+                   " been listed in Report view (menu View -> Panels -> Report view).\n\n"
                    "Click \"Swap endpoints in constraints\" button to reassign endpoints."
                    " Do this only once to sketches created in FreeCAD older than v0.15.???"
                    ).arg(points.size()/2).arg(nc)
@@ -261,7 +261,7 @@ void SketcherValidation::on_orientLockEnable_clicked()
     int n = sketch->changeConstraintsLocking(/*bLock=*/true);
     QMessageBox::warning(this, tr("Constraint orientation locking"),
         tr("Orientation locking was enabled and recomputed for %1 constraints. The"
-           " constraints have been listed in Report view (menu View -> Views ->"
+           " constraints have been listed in Report view (menu View -> Panels ->"
            " Report view).").arg(n));
 
     doc->commitTransaction();
@@ -275,7 +275,7 @@ void SketcherValidation::on_orientLockDisable_clicked()
     int n = sketch->changeConstraintsLocking(/*bLock=*/false);
     QMessageBox::warning(this, tr("Constraint orientation locking"),
         tr("Orientation locking was disabled for %1 constraints. The"
-           " constraints have been listed in Report view (menu View -> Views ->"
+           " constraints have been listed in Report view (menu View -> Panels ->"
            " Report view). Note that for all future constraints, the locking still"
            " defaults to ON.").arg(n));
 
diff --git a/src/Mod/Start/Gui/DlgStartPreferences.ui b/src/Mod/Start/Gui/DlgStartPreferences.ui
index 216c32cea9..f429e074ce 100644
--- a/src/Mod/Start/Gui/DlgStartPreferences.ui
+++ b/src/Mod/Start/Gui/DlgStartPreferences.ui
@@ -233,7 +233,7 @@
          <bool>false</bool>
         </property>
         <property name="text">
-         <string>Background color gradient down</string>
+         <string>Background color down gradient</string>
         </property>
        </widget>
       </item>
@@ -286,7 +286,7 @@
       <item row="0" column="1">
        <widget class="Gui::PrefCheckBox" name="checkBox_5">
         <property name="toolTip">
-         <string>If this is checked, if a style sheet is specified in General preferences, it will be used and override the colors below</string>
+         <string>If this is checked and a style sheet is specified in General preferences, it will be used and override the colors below</string>
         </property>
         <property name="layoutDirection">
          <enum>Qt::RightToLeft</enum>