diff --git a/README b/README
index 9e78449..95d19a1 100644
--- a/README
+++ b/README
@@ -1,12 +1,23 @@
 GammaLib information
 ====================
-Version: 00-04-07 (February 24, 2011)
+Version: 00-04-09 (February 24, 2011)
 Author:  Juergen Knodlseder (knodlseder@cesr.fr)
 
 
 License information
 ===================
-To be written ...
+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/>.
 
 
 What's new in this release?