diff --git a/src/gsm/gprs_gea.c b/src/gsm/gprs_gea.c
index db3f2cc..7314788 100644
--- a/src/gsm/gprs_gea.c
+++ b/src/gsm/gprs_gea.c
@@ -1,13 +1,15 @@
 /*! \file gprs_gea.c
  * GEA 3 & 4 plugin */
 /*
- * Copyright (C) 2016 by Sysmocom s.f.m.c. GmbH
+ * Copyright (C) 2016 by sysmocom - s.f.m.c. GmbH
  *
  * All Rights Reserved
  *
+ * SPDX-License-Identifier: GPL-2.0+
+ *
  * 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 3 of the License, or
+ * the Free Software Foundation; either version 2 of the License, or
  * (at your option) any later version.
  *
  * This program is distributed in the hope that it will be useful,