1 files changed, 2 insertions, 0 deletions
diff --git a/HEADER b/HEADER
index 9859255df..113872d46 100644
--- a/HEADER
+++ b/HEADER
@@ -4,6 +4,8 @@
 # <one line to give the program's name and a brief idea of what it does.>
 # Copyright (C) <year>  <name of author>
 #
+# SPDX-License-Identifier: GPL-2.0-only
+#
 # This program is free software; you can redistribute it and/or modify
 # it under the terms of the GNU General Public License version 2 as
 # published by the Free Software Foundation.