diff --git a/Surface_mesh_parameterization/include/CGAL/Surface_mesh_parameterization/orbifold_enums.h b/Surface_mesh_parameterization/include/CGAL/Surface_mesh_parameterization/orbifold_enums.h
index 348e8eef43c..247f1c065fa 100644
--- a/Surface_mesh_parameterization/include/CGAL/Surface_mesh_parameterization/orbifold_enums.h
+++ b/Surface_mesh_parameterization/include/CGAL/Surface_mesh_parameterization/orbifold_enums.h
@@ -12,6 +12,10 @@
 // This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
 // WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
 //
+// $URL$
+// $Id$
+// SPDX-License-Identifier: GPL-3.0+
+//
 // Author(s)     : Mael Rouxel-Labbé
 
 #ifndef CGAL_SURFACE_MESH_PARAMETERIZATION_ORBIFOLD_ENUMS_H