Update README.md

Author: giovannivolpe

README.md

@@ -14,7 +14,7 @@
   <a href="#using-braph2">Examples</a> •
   <a href="#learning-braph-2">Basics</a> •
   <a href="#cite-us">Cite us</a> •
-  <a href="https://github.com/softmatterlab/BRAPH-2-Matlab/blob/develop/braph2genesis/braph2license.rtf">License</a> 
+  <a href="https://github.com/softmatterlab/BRAPH-2-Matlab/blob/develop/braph2genesis/LICENSE">License</a> 
 </p>