diff --git a/tools/adoc_galaxy.py b/tools/adoc_galaxy.py
index d3e1bec..c8d305f 100644
--- a/tools/adoc_galaxy.py
+++ b/tools/adoc_galaxy.py
@@ -1,5 +1,23 @@
 #!/usr/bin/env python
 # -*- coding: utf-8 -*-
+#
+#
+#    A simple converter of MISP galaxy cluster to asciidoctor format
+#    Copyright (C) 2017 Alexandre Dulaunoy
+#
+#    This program is free software: you can redistribute it and/or modify
+#    it under the terms of the GNU Affero 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 Affero General Public License for more details.
+#
+#    You should have received a copy of the GNU Affero General Public License
+#    along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
 
 import os
 import json
@@ -47,7 +65,7 @@ def asciidoc(content=False, adoc=None, t='title',title=''):
     if t == 'title':
         output = '== ' + content
     elif t == 'info':
-        output = "\n{}.\n\n{} {} {}{}.json[*this location*] {}.\n".format(content, 'NOTE: ', title, 'is a cluster galaxy available in JSON format at https://github.com/MISP/misp-galaxy/blob/master/clusters/',title.lower(),' The JSON format can be freely reused in your application or automatically enabled in https://www.github.com/MISP/MISP[MISP].')
+        output = "\n{}.\n\n{} {} {}{}.json[*this location*] {}.\n".format(content, 'NOTE: ', title, 'is a cluster galaxy available in JSON format at https://github.com/MISP/misp-galaxy/blob/master/clusters/',title.lower(),' The JSON format can be freely reused in your application or automatically enabled in https://www.github.com/MISP/MISP[MISP]')
     elif t == 'author':
         output = '\nauthors:: {}\n'.format(' - '.join(content))
     elif t == 'value':