diff --git a/src/capwap/cwmsg_addelem_mtu_discovery_padding.c b/src/capwap/cwmsg_addelem_mtu_discovery_padding.c
index 58747414..64c0557e 100644
--- a/src/capwap/cwmsg_addelem_mtu_discovery_padding.c
+++ b/src/capwap/cwmsg_addelem_mtu_discovery_padding.c
@@ -1,3 +1,21 @@
+/*
+ This file is part of libcapwap.
+
+ libcapwap 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
+ (at your option) any later version.
+
+ libcapwap is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with Foobar. If not, see .
+
+*/
+
#include
#include "capwap.h"