diff --git a/generator.py b/generator.py
index 73fd018..90cbe5b 100755
--- a/generator.py
+++ b/generator.py
@@ -1,6 +1,12 @@
 #!/usr/bin/env python
 # -*- coding: utf-8 -*-
 
+# 2015 by Sebastian Hugentobler <shugentobler@vanwa.ch>
+# To the extent possible under law, the author(s) have dedicated all copyright
+# and related and neighboring rights to this software to the public domain
+# worldwide. This software is distributed without any warranty.
+# See http://creativecommons.org/publicdomain/zero/1.0/ for a description of CC0.
+
 import argparse, json, os, re, shutil
 
 from datetime import datetime