Changed text in README

git-svn-id: https://plugins.svn.wordpress.org/itstream/trunk@1038923 b8457f37-d9ea-0310-8a92-e5e31aec5664
Changed text in README

git-svn-id: https://plugins.svn.wordpress.org/itstream/trunk@1038928 b8457f37-d9ea-0310-8a92-e5e31aec5664