diff --git a/src/Mod/Arch/ArchPanel.py b/src/Mod/Arch/ArchPanel.py
index cd426a4ede..ec124419d4 100644
--- a/src/Mod/Arch/ArchPanel.py
+++ b/src/Mod/Arch/ArchPanel.py
@@ -736,7 +736,7 @@ class _Panel(ArchComponent.Component):
                 base = self.vol.common(base)
                 base = base.removeSplitter()
                 if not base:
-                    FreeCAD.Console.PrintError(translate("Arch","Error computing shape of ")+obj.Label+"\n")
+                    FreeCAD.Console.PrintError(translate("Arch","Error computing shape of")+" "+obj.Label+"\n")
                     return False
 
         if base and (obj.Sheets > 1) and normal and thickness:
diff --git a/src/Mod/Arch/ArchStairs.py b/src/Mod/Arch/ArchStairs.py
index 3206bc004b..8db4eaf11c 100644
--- a/src/Mod/Arch/ArchStairs.py
+++ b/src/Mod/Arch/ArchStairs.py
@@ -379,12 +379,12 @@ class _Stairs(ArchComponent.Component):
             obj.addProperty("App::PropertyLength","LandingDepth","Steps",QT_TRANSLATE_NOOP("App::Property","The depth of the landing of these stairs"))
 
         if not hasattr(obj,"TreadDepthEnforce"):
-            obj.addProperty("App::PropertyLength","TreadDepthEnforce","Steps",QT_TRANSLATE_NOOP("App::Property","The depth of the treads of these stairs - Enforced regardless Length or edge's Length"))
+            obj.addProperty("App::PropertyLength","TreadDepthEnforce","Steps",QT_TRANSLATE_NOOP("App::Property","The depth of the treads of these stairs - Enforced regardless of Length or edge's Length"))
         if not hasattr(obj,"RiserHeightEnforce"):
-            obj.addProperty("App::PropertyLength","RiserHeightEnforce","Steps",QT_TRANSLATE_NOOP("App::Property","The height of the risers of these stairs - Enforced regardless Height or edge's Height"))
+            obj.addProperty("App::PropertyLength","RiserHeightEnforce","Steps",QT_TRANSLATE_NOOP("App::Property","The height of the risers of these stairs - Enforced regardless of Height or edge's Height"))
 
         if not hasattr(obj,"Flight"):
-            obj.addProperty("App::PropertyEnumeration","Flight","Structure",QT_TRANSLATE_NOOP("App::Property","The direction of of flight after landing"))
+            obj.addProperty("App::PropertyEnumeration","Flight","Structure",QT_TRANSLATE_NOOP("App::Property","The direction of flight after landing"))
             obj.Flight = ["Straight","HalfTurnLeft","HalfTurnRight"]
 
         # Segment and Parts properties
diff --git a/src/Mod/Part/Gui/TaskDimension.cpp b/src/Mod/Part/Gui/TaskDimension.cpp
index 293b16e9e2..8c244733cb 100644
--- a/src/Mod/Part/Gui/TaskDimension.cpp
+++ b/src/Mod/Part/Gui/TaskDimension.cpp
@@ -947,7 +947,7 @@ void PartGui::goDimensionAngularNoTask(const VectorAdapter &vector1Adapter, cons
       dimensionOriginPoint = extremaPoint1;
     else
     {
-      //find half way point in between extrema points for dimension origin.
+      //find halfway point in between extrema points for dimension origin.
       gp_Vec vec1(extremaPoint1.XYZ());
       gp_Vec vec2(extremaPoint2.XYZ());
       gp_Vec connection(vec2-vec1);
diff --git a/src/Mod/Robot/App/Edge2TracObject.cpp b/src/Mod/Robot/App/Edge2TracObject.cpp
index ee4b7ddf3c..41220964e5 100644
--- a/src/Mod/Robot/App/Edge2TracObject.cpp
+++ b/src/Mod/Robot/App/Edge2TracObject.cpp
@@ -169,7 +169,7 @@ App::DocumentObjectExecReturn *Edge2TracObject::execute(void)
                     first = false;
                 else
                     beg += stp;
-                Base::SequencerLauncher seq("Create way points", static_cast<size_t>((end-beg)/stp));
+                Base::SequencerLauncher seq("Create waypoints", static_cast<size_t>((end-beg)/stp));
 				if(reversed)
 				{
 					for (;beg > end; beg += stp) {
diff --git a/src/Mod/Robot/Gui/Command.cpp b/src/Mod/Robot/Gui/Command.cpp
index 30efa7bd14..14babfcede 100644
--- a/src/Mod/Robot/Gui/Command.cpp
+++ b/src/Mod/Robot/Gui/Command.cpp
@@ -228,7 +228,7 @@ void CmdRobotSimulate::activated(int)
 
     if(pcTrajectoryObject->Trajectory.getValue().getSize() < 2){
         QMessageBox::warning(Gui::getMainWindow(), QObject::tr("Trajectory not valid"),
-            QObject::tr("You need at least two way points in a trajectory to simulate."));
+            QObject::tr("You need at least two waypoints in a trajectory to simulate."));
         return;
     }
 
diff --git a/src/Mod/Robot/Gui/CommandTrajectory.cpp b/src/Mod/Robot/Gui/CommandTrajectory.cpp
index 6aaeffba67..76adc1ccb7 100644
--- a/src/Mod/Robot/Gui/CommandTrajectory.cpp
+++ b/src/Mod/Robot/Gui/CommandTrajectory.cpp
@@ -215,7 +215,7 @@ CmdRobotSetDefaultOrientation::CmdRobotSetDefaultOrientation()
     sAppModule      = "Robot";
     sGroup          = QT_TR_NOOP("Robot");
     sMenuText       = QT_TR_NOOP("Set default orientation");
-    sToolTipText    = QT_TR_NOOP("set the default orientation for subsequent commands for waypoint creation");
+    sToolTipText    = QT_TR_NOOP("Set the default orientation for subsequent commands for waypoint creation");
     sWhatsThis      = "Robot_SetDefaultOrientation";
     sStatusTip      = sToolTipText;
     sPixmap         = 0;
@@ -254,7 +254,7 @@ CmdRobotSetDefaultValues::CmdRobotSetDefaultValues()
     sAppModule      = "Robot";
     sGroup          = QT_TR_NOOP("Robot");
     sMenuText       = QT_TR_NOOP("Set default values");
-    sToolTipText    = QT_TR_NOOP("set the default values for speed, acceleration and continuity for subsequent commands of waypoint creation");
+    sToolTipText    = QT_TR_NOOP("Set the default values for speed, acceleration and continuity for subsequent commands of waypoint creation");
     sWhatsThis      = "Robot_SetDefaultValues";
     sStatusTip      = sToolTipText;
     sPixmap         = 0;
@@ -266,7 +266,7 @@ void CmdRobotSetDefaultValues::activated(int)
 {
 
     bool ok;
-    QString text = QInputDialog::getText(0, QObject::tr("set default speed"),
+    QString text = QInputDialog::getText(0, QObject::tr("Set default speed"),
                                           QObject::tr("speed: (e.g. 1 m/s or 3 cm/s)"), QLineEdit::Normal,
                                           QString::fromLatin1("1 m/s"), &ok);
     if ( ok && !text.isEmpty() ) {
@@ -276,14 +276,14 @@ void CmdRobotSetDefaultValues::activated(int)
     QStringList items;
     items  << QString::fromLatin1("False") << QString::fromLatin1("True");
 
-    QString item = QInputDialog::getItem(0, QObject::tr("set default continuity"),
+    QString item = QInputDialog::getItem(0, QObject::tr("Set default continuity"),
                                           QObject::tr("continuous ?"), items, 0, false, &ok);
     if (ok && !item.isEmpty())
         doCommand(Doc,"_DefCont = %s",item.toLatin1().constData());
 
     text.clear();
 
-    text = QInputDialog::getText(0, QObject::tr("set default acceleration"),
+    text = QInputDialog::getText(0, QObject::tr("Set default acceleration"),
                                           QObject::tr("acceleration: (e.g. 1 m/s^2 or 3 cm/s^2)"), QLineEdit::Normal,
                                           QString::fromLatin1("1 m/s^2"), &ok);
     if ( ok && !text.isEmpty() ) {