diff --git a/src/GEOMImpl/GEOMImpl_Types.hxx b/src/GEOMImpl/GEOMImpl_Types.hxx
index abd6a3ef6..6de154def 100755
--- a/src/GEOMImpl/GEOMImpl_Types.hxx
+++ b/src/GEOMImpl/GEOMImpl_Types.hxx
@@ -304,6 +304,7 @@
 // Advanced functions (base = 200)
 #define ADVANCED_BASE 200  // NO OPERATION (advanced operations base)
 #define GEOM_TSHAPE 201
+/*@@ insert new functions before this line @@*/
 // Advanced functions sub-operations codes
 #define TSHAPE_BASIC 1
 #define TSHAPE_CHAMFER 2