diff --git a/bb.sh b/bb.sh
index b209333..e5afc69 100755
--- a/bb.sh
+++ b/bb.sh
@@ -1,10 +1,22 @@
 #!/usr/bin/env bash
 
 # BashBlog, a simple blog system written in a single bash script
-# Author: Carles Fenollosa <carles.fenollosa@bsc.es>, 2011-2013
+# Copyright: Carles Fenollosa <carles.fenollosa@bsc.es>, 2011-2013
 # With contributions from many others: 
 # https://github.com/carlesfe/bashblog/contributors
-
+#
+# 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/>.
 
 #########################################################################################
 #