diff --git a/mgw/MGCP_Test.ttcn b/mgw/MGCP_Test.ttcn
index ec3070e..31c2a1d 100644
--- a/mgw/MGCP_Test.ttcn
+++ b/mgw/MGCP_Test.ttcn
@@ -1,3 +1,14 @@
+/* MGW (Media Gateway) test suite in TTCN-3
+ * (C) 2017-2018 Harald Welte <laforge@gnumonks.org>
+ * (C) 2018-2019 sysmocom - s.f.m.c. GmbH
+ * All rights reserved.
+ *
+ * Released under the terms of GNU General Public License, Version 2 or
+ * (at your option) any later version.
+ *
+ * SPDX-License-Identifier: GPL-2.0-or-later
+ */
+
 module MGCP_Test {
 	import from Osmocom_Types all;
 	import from MGCP_Types all;