diff --git a/lib/FHEM/Core/Password/Utils.pm b/lib/FHEM/Core/Password/Utils.pm
index 2030c61..c2eadfe 100644
--- a/lib/FHEM/Core/Password/Utils.pm
+++ b/lib/FHEM/Core/Password/Utils.pm
@@ -1,3 +1,30 @@
+###############################################################################
+#
+# Developed with Kate
+#
+#  (c) 2021 Copyright: Marko Oldenburg (fhemdevelopment at cooltux dot net)
+#  All rights reserved
+#
+#  This script 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 2 of the License, or
+#  any later version.
+#
+#  The GNU General Public License can be found at
+#  http://www.gnu.org/copyleft/gpl.html.
+#  A copy is found in the textfile GPL.txt and important notices to the license
+#  from the author is found in LICENSE.txt distributed with these scripts.
+#
+#  This script 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.
+#
+#
+# $Id$
+#
+###############################################################################
+
 package FHEM::Core::Password::Utils;
 
 use 5.008;