diff --git a/do-copyright.py b/do-copyright.py
index 3aff3bf32a7cd313d3afe4c9ceb88b831364755e..d9fe8ffc7553addc3ac2ad31572eccf066dd8f78 100755
--- a/do-copyright.py
+++ b/do-copyright.py
@@ -3,9 +3,8 @@
 #
 # (c) Copyright 2020 CORSIKA Project, corsika-project@lists.kit.edu
 #
-# This software is distributed under the terms of the GNU General Public
-# Licence version 3 (GPL Version 3). See file LICENSE for a full version of
-# the license.
+# This software is distributed under the terms of the 3-clause BSD license.
+# See file LICENSE for a full version of the license.
 #
 
 """
@@ -27,9 +26,8 @@ import re
 text = """/*
  * (c) Copyright YEAR CORSIKA Project, corsika-project@lists.kit.edu
  *
- * This software is distributed under the terms of the GNU General Public
- * Licence version 3 (GPL Version 3). See file LICENSE for a full version of
- * the license.
+ * This software is distributed under the terms of the 3-clause BSD license.
+ * See file LICENSE for a full version of the license.
  */\n
 """