diff --git a/src/SMESHDS/SMESH_Controls.hxx b/src/SMESHDS/SMESH_Controls.hxx
index 49d6ab1d2..e23cc43e3 100644
--- a/src/SMESHDS/SMESH_Controls.hxx
+++ b/src/SMESHDS/SMESH_Controls.hxx
@@ -23,6 +23,9 @@
 #ifndef _SMESH_CONTROLS_HXX_
 #define _SMESH_CONTROLS_HXX_
 
+// This file is named incosistently with others, i.e. not SMESHDS_Controls.hxx,
+// because it was moved from ../Controls/SMESH_Controls.hxx
+
 #include "SMDSAbs_ElementType.hxx"
 
 #include <boost/shared_ptr.hpp>