5.14 - fix readme.txt

git-svn-id: https://plugins.svn.wordpress.org/wp-topbar/trunk@816736 b8457f37-d9ea-0310-8a92-e5e31aec5664
5.14 - fix silly spelling error in readme.txt

git-svn-id: https://plugins.svn.wordpress.org/wp-topbar/trunk@816737 b8457f37-d9ea-0310-8a92-e5e31aec5664