diff --git a/poky/bitbake/bin/bitdoc b/poky/bitbake/bin/bitdoc
index 2744678..9bd02be 100755
--- a/poky/bitbake/bin/bitdoc
+++ b/poky/bitbake/bin/bitdoc
@@ -1,21 +1,9 @@
 #!/usr/bin/env python3
-# ex:ts=4:sw=4:sts=4:et
-# -*- tab-width: 4; c-basic-offset: 4; indent-tabs-mode: nil -*-
 #
 # Copyright (C) 2005 Holger Hans Peter Freyther
 #
-# 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 optparse, os, sys