Fix typos in readme.rst

Change-Id: Id8f66bb6c8ff34c3fd08b5673c67d5a9d6f62589

README.rst

@@ -6,9 +6,10 @@ repository before it reached its end of life, please check out the
 previous commit with "git checkout a0ffda04aedf02fb2ed10218b87b4ed4eb5aa5f7".
 
 For an altnerative, consider the new development taking place at
-http://github.com/openstack/kolla related to kubernetes.  WHile not
-a Mesos implementation, it Kubernetes still bheaves as an underlay
-and is where most of the community interest currently revolves around.
+http://github.com/openstack/kolla related to kubernetes.  While not
+a Mesos implementation, Kubernetes still behaves as an underlay
+and is where most of the community interest currently revolves around
+rather then Mesos.
 
 For any further questions, please email
 openstack-dev@lists.openstack.org with the tag line [kolla] or join