updated description

git-svn-id: https://plugins.svn.wordpress.org/easy-facebook-feed/trunk@1012014 b8457f37-d9ea-0310-8a92-e5e31aec5664
updated description

git-svn-id: https://plugins.svn.wordpress.org/easy-facebook-feed/trunk@1012021 b8457f37-d9ea-0310-8a92-e5e31aec5664