Update props in readme.

git-svn-id: https://plugins.svn.wordpress.org/styles/trunk@911464 b8457f37-d9ea-0310-8a92-e5e31aec5664
Fix readme typo.

git-svn-id: https://plugins.svn.wordpress.org/styles/trunk@911465 b8457f37-d9ea-0310-8a92-e5e31aec5664