Fixed FAQ section in readme

git-svn-id: https://plugins.svn.wordpress.org/simple-rating/trunk@846374 b8457f37-d9ea-0310-8a92-e5e31aec5664
Fixed FAQ section in readme. Again

git-svn-id: https://plugins.svn.wordpress.org/simple-rating/trunk@846376 b8457f37-d9ea-0310-8a92-e5e31aec5664