diff --git a/core/merginuserauth.h b/core/merginuserauth.h
index 22629af38..7e535c919 100644
--- a/core/merginuserauth.h
+++ b/core/merginuserauth.h
@@ -1,3 +1,12 @@
+/***************************************************************************
+ *                                                                         *
+ *   This program is free software; you can redistribute it and/or modify  *
+ *   it under the terms of the GNU General Public License as published by  *
+ *   the Free Software Foundation; either version 2 of the License, or     *
+ *   (at your option) any later version.                                   *
+ *                                                                         *
+ ***************************************************************************/
+
 #ifndef MERGINUSERAUTH_H
 #define MERGINUSERAUTH_H