add license

Author: Etienne Stalmans

README.md

@@ -37,7 +37,8 @@ The library included with Ruler allows for the creation of custom message using
 
 # License
 [![License: CC BY-NC-SA 4.0](https://img.shields.io/badge/License-CC%20BY--NC--SA%204.0-lightgrey.svg)](http://creativecommons.org/licenses/by-nc-sa/4.0/)
-Wadi is licensed under a Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International License (http://creativecommons.org/licenses/by-nc-sa/4.0/) Permissions beyond the scope of this license may be available at http://sensepost.com/contact us/.
+
+Ruler is licensed under a Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International License (http://creativecommons.org/licenses/by-nc-sa/4.0/) Permissions beyond the scope of this license may be available at http://sensepost.com/contact/.
 
 
 [Ruler Release]: <https://sensepost.com/blog/2016/mapi-over-http-and-mailrule-pwnage/>