Cleanup README.rst

Author: jmelett

README.rst

@@ -94,8 +94,8 @@ to our `mailing list <https://groups.google.com/forum/#!forum/django-cms>`_.
 Commercial support
 ************
 
-Django CMS is sponsored by `Divio <https://divio.ch>`_. If you need help
-implementing or hosting Django CMS, please contact us: [email protected]
+This project is backed by `Divio <https://divio.ch>`_. If you need help
+implementing or hosting django CMS, please contact us: [email protected].
 
 *******
 Credits