diff --git a/Snap_rounding_2/include/CGAL/Snap_rounding_kd_2.h b/Snap_rounding_2/include/CGAL/Snap_rounding_kd_2.h
index f38e7ed3366..ae424f2bc1c 100644
--- a/Snap_rounding_2/include/CGAL/Snap_rounding_kd_2.h
+++ b/Snap_rounding_2/include/CGAL/Snap_rounding_kd_2.h
@@ -1,4 +1,20 @@
-include <CGAL/license/Snap_rounding_2.h>
+// Copyright (c) 2001, 2009, 2014 Tel-Aviv University (Israel), Max-Planck-Institute Saarbruecken (Germany).
+// All rights reserved.
+//
+// This file is part of CGAL (www.cgal.org).
+//
+// $URL$
+// $Id$
+// SPDX-License-Identifier: GPL-3.0-or-later OR LicenseRef-Commercial
+//
+//
+// author(s)     : Eli Packer <elip@post.tau.ac.il>,
+//                 Waqar Khan <wkhan@mpi-inf.mpg.de>
+
+#ifndef CGAL_SNAP_ROUNDING_KD_2_H
+#define CGAL_SNAP_ROUNDING_KD_2_H
+
+#include <CGAL/license/Snap_rounding_2.h>
 
 
 #include <list>