diff --git a/idl/SMESH_Gen.idl b/idl/SMESH_Gen.idl
index 8228e1b53..e636b7f49 100644
--- a/idl/SMESH_Gen.idl
+++ b/idl/SMESH_Gen.idl
@@ -170,7 +170,8 @@ module SMESH
       raises ( SALOME::SALOME_Exception );
 
     /*!
-     * 
+     * Return indeces of faces, edges and vertices of given subshapes
+     * within theMainObject
      */
     long_array GetSubShapesId( in GEOM::GEOM_Object theMainObject,
                                in object_array      theListOfSubObjects )