diff --git a/src/Mod/Sketcher/Gui/EditDatumDialog.cpp b/src/Mod/Sketcher/Gui/EditDatumDialog.cpp
index 5bb30ee46..fade42b3e 100644
--- a/src/Mod/Sketcher/Gui/EditDatumDialog.cpp
+++ b/src/Mod/Sketcher/Gui/EditDatumDialog.cpp
@@ -45,6 +45,8 @@
 
 using namespace SketcherGui;
 
+/* TRANSLATOR SketcherGui::EditDatumDialog */
+
 EditDatumDialog::EditDatumDialog(ViewProviderSketch* vp, int ConstrNbr) : ConstrNbr(ConstrNbr)
 {
     sketch = vp->getSketchObject();
@@ -91,12 +93,23 @@ void EditDatumDialog::exec(bool atCursor)
         double datum = Constr->Value;
         Base::Quantity init_val;
 
-        if (Constr->Type == Sketcher::Angle){
+        if (Constr->Type == Sketcher::Angle) {
             datum = Base::toDegrees<double>(datum);
+            dlg.setWindowTitle(tr("Insert angle"));
             init_val.setUnit(Base::Unit::Angle);
+            ui_ins_datum.label->setText(tr("Angle:"));
             ui_ins_datum.labelEdit->setParamGrpPath(QByteArray("User parameter:BaseApp/History/SketcherAngle"));
-        }else{
+        }
+        else if (Constr->Type == Sketcher::Radius) {
+            dlg.setWindowTitle(tr("Insert radius"));
             init_val.setUnit(Base::Unit::Length);
+            ui_ins_datum.label->setText(tr("Radius:"));
+            ui_ins_datum.labelEdit->setParamGrpPath(QByteArray("User parameter:BaseApp/History/SketcherLength"));
+        }
+        else {
+            dlg.setWindowTitle(tr("Insert length"));
+            init_val.setUnit(Base::Unit::Length);
+            ui_ins_datum.label->setText(tr("Length:"));
             ui_ins_datum.labelEdit->setParamGrpPath(QByteArray("User parameter:BaseApp/History/SketcherLength"));
         }
 
diff --git a/src/Mod/Sketcher/Gui/EditDatumDialog.h b/src/Mod/Sketcher/Gui/EditDatumDialog.h
index 9fcb1e046..2d0f97383 100644
--- a/src/Mod/Sketcher/Gui/EditDatumDialog.h
+++ b/src/Mod/Sketcher/Gui/EditDatumDialog.h
@@ -33,6 +33,7 @@ namespace SketcherGui {
 class ViewProviderSketch;
 
 class EditDatumDialog {
+    Q_DECLARE_TR_FUNCTIONS(SketcherGui::EditDatumDialog)
 public:
     EditDatumDialog(ViewProviderSketch* vp, int ConstrNbr);
     EditDatumDialog(Sketcher::SketchObject* pcSketch, int ConstrNbr);