diff --git a/src/Mod/Part/App/TopoShape.h b/src/Mod/Part/App/TopoShape.h
index 2d2a98a21..d1ae2c882 100644
--- a/src/Mod/Part/App/TopoShape.h
+++ b/src/Mod/Part/App/TopoShape.h
@@ -191,6 +191,7 @@ public:
     TopoDS_Shape makePipeShell(const TopTools_ListOfShape& profiles, const Standard_Boolean make_solid,
         const Standard_Boolean isFrenet = Standard_False, int transition=0) const;
     TopoDS_Shape makePrism(const gp_Vec&) const;
+    ///revolve shape. Note: isSolid is deprecated (instead, use some Part::FaceMaker to make a face, first).
     TopoDS_Shape revolve(const gp_Ax1&, double d, Standard_Boolean isSolid=Standard_False) const;
     TopoDS_Shape makeSweep(const TopoDS_Shape& profile, double, int) const;
     TopoDS_Shape makeTube(double radius, double tol, int cont, int maxdeg, int maxsegm) const;