diff --git a/olsrd/Makefile b/olsrd/Makefile
index e7dc85c..3933ec6 100644
--- a/olsrd/Makefile
+++ b/olsrd/Makefile
@@ -1,8 +1,6 @@
+# SPDX-License-Identifier: GPL-2.0-or-later
 #
-# Copyright (C) 2009-2016 OpenWrt.org
-#
-# This is free software, licensed under the GNU General Public License v2.
-# See /LICENSE for more information.
+# Copyright (C) 2009-2021 OpenWrt.org
 #
 
 include $(TOPDIR)/rules.mk