--- a/lib/Quancom.pm	Wed Dec 17 23:31:39 2008 +0100
+++ b/lib/Quancom.pm	Thu Dec 18 13:44:06 2008 +0100
@@ -1,5 +1,23 @@
 package Quancom;
 
+#    Quancom - a perl library module to talk to USBOPTO-XX by 
+#    Copyright (C) 2008  Heiko Schlittermann
+#
+#    This program 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 3 of the License, or
+#    (at your option) any later version.
+#
+#    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, see <http://www.gnu.org/licenses/>.
+#
+#    Heiko Schlittermann <hs@schlittermann.de>
+
 use strict;
 use warnings;
 use Carp;
@@ -120,4 +138,8 @@
     Maik Schueller
     Heiko Schlittermann
 
+=head1 THANKS
+
+Thanks to Mr. van den Berg from Quancom for his support.
+
 =cut