diff --git a/src/Mod/Sketcher/App/SketchObjectPy.xml b/src/Mod/Sketcher/App/SketchObjectPy.xml
index abca43ff6d..10ae0e8748 100644
--- a/src/Mod/Sketcher/App/SketchObjectPy.xml
+++ b/src/Mod/Sketcher/App/SketchObjectPy.xml
@@ -460,12 +460,12 @@ If there is no such constraint an exception is raised.
     </Attribute>
     <Methode Name="setGeometryId">
       <Documentation>
-        <UserDocu>switch a geometry to a construction line</UserDocu>
+        <UserDocu>sets the GeometryId of the SketchGeometryExtension of the geometry with the provided GeoId</UserDocu>
       </Documentation>
     </Methode>
     <Methode Name="getGeometryId">
       <Documentation>
-        <UserDocu>switch a geometry to a construction line</UserDocu>
+        <UserDocu>gets the GeometryId of the SketchGeometryExtension of the geometry with the provided GeoId</UserDocu>
       </Documentation>
     </Methode>
   </PythonExport>
diff --git a/src/Mod/Sketcher/App/SketchObjectPyImp.cpp b/src/Mod/Sketcher/App/SketchObjectPyImp.cpp
index ab045293f6..c8ef3b1049 100644
--- a/src/Mod/Sketcher/App/SketchObjectPyImp.cpp
+++ b/src/Mod/Sketcher/App/SketchObjectPyImp.cpp
@@ -1802,7 +1802,7 @@ PyObject* SketchObjectPy::getGeometryId(PyObject *args)
 
     if (this->getSketchObjectPtr()->getGeometryId(Index, Id)) {
         std::stringstream str;
-        str << "Not able to set geometry Id of a geometry with the given index: " << Index;
+        str << "Not able to get geometry Id of a geometry with the given index: " << Index;
         PyErr_SetString(PyExc_ValueError, str.str().c_str());
         Py_Return;
     }
@@ -1819,7 +1819,7 @@ PyObject* SketchObjectPy::setGeometryId(PyObject *args)
 
     if (this->getSketchObjectPtr()->setGeometryId(Index, Id)) {
         std::stringstream str;
-        str << "Not able to set construction mode of a geometry with the given index: " << Index;
+        str << "Not able to set geometry Id of a geometry with the given index: " << Index;
         PyErr_SetString(PyExc_ValueError, str.str().c_str());
         return 0;
     }