[license] added CONTRIBUTING.md
diff --git a/license.txt b/license.txt
index 9c8bf91..093f0f1 100644
--- a/license.txt
+++ b/license.txt
@@ -1,4 +1,13 @@
+ERPNext License Info
+--------------------
+
+(c) 2013 Web Notes Technologies Pvt Ltd. Mumbai
+ERPNext is a trademark of Web Notes Technologies
+
+The ERPNext code is licensed under the GNU General Public License (v3) as mentioned below and the Documentation is licensed under Creative Commons (CC-BY-SA-3.0)
+
 GNU GENERAL PUBLIC LICENSE
+--------------------------
 
 Version 3, 29 June 2007