diff --git a/library/LLC_Templates.ttcn b/library/LLC_Templates.ttcn
index b71bce1..ed2ca6f 100644
--- a/library/LLC_Templates.ttcn
+++ b/library/LLC_Templates.ttcn
@@ -1,3 +1,14 @@
+/* LLC Templates in TTCN-3
+ * (C) 2018-2019 Harald Welte <laforge@gnumonks.org>
+ * 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 LLC_Templates {
 
 import from LLC_Types all;