Part: Fix mistake in Part.getShape docstring

For confirmation see:
https://github.com/realthunder/FreeCAD/blob/cad29253a493084a1c52d09fe164d4d91428b265/src/Mod/Draft/draftguitools/gui_selectplane.py#L198

src/Mod/Part/App/AppPartPy.cpp

@@ -607,7 +607,7 @@ class Module : public Py::ExtensionModule<Module>
             "* transform: if False, then skip obj's transformation. Use this if mat already include obj's\n"
             "             transformation matrix\n"
             "* retType: 0: return TopoShape,\n"
-            "           1: return (shape,subObj,mat), where subObj is the object referenced in 'subname',\n"
+            "           1: return (shape,mat,subObj), where subObj is the object referenced in 'subname',\n"
             "              and 'mat' is the accumulated transformation matrix of that sub-object.\n"
             "           2: same as 1, but make sure 'subObj' is resolved if it is a link.\n"
             "* refine: refine the returned shape"