bug fixes

git-svn-id: https://plugins.svn.wordpress.org/wp-embed-facebook/trunk@992290 b8457f37-d9ea-0310-8a92-e5e31aec5664
typo

git-svn-id: https://plugins.svn.wordpress.org/wp-embed-facebook/trunk@992291 b8457f37-d9ea-0310-8a92-e5e31aec5664