diff --git a/poky/scripts/lib/recipetool/append.py b/poky/scripts/lib/recipetool/append.py
index 3f2c134..e9d52bb 100644
--- a/poky/scripts/lib/recipetool/append.py
+++ b/poky/scripts/lib/recipetool/append.py
@@ -2,18 +2,8 @@
 #
 # Copyright (C) 2015 Intel Corporation
 #
-# 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.
+# SPDX-License-Identifier: GPL-2.0-only
 #
-# This program 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 this program; if not, write to the Free Software Foundation, Inc.,
-# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
 
 import sys
 import os