fix typo in README

Author: Fernando Correia

README.textile

@@ -10,6 +10,6 @@ The old version of SecureSocial is under the 1.x branch now.  The 'master' branc
 
 Written by Jorge Aliss (<a href="http://www.twitter.com/jaliss">@jaliss</a>)
 
-h2. Licence
+h2. License
 
-SecureSocial is distributed under the "Apache 2 licence":http://www.apache.org/licenses/LICENSE-2.0.html.
+SecureSocial is distributed under the "Apache License, Version 2.0":http://www.apache.org/licenses/LICENSE-2.0.html.