Improved dialog text for AJAX checkbox

git-svn-id: https://plugins.svn.wordpress.org/content-protector/trunk@908593 b8457f37-d9ea-0310-8a92-e5e31aec5664
Updated POT file

git-svn-id: https://plugins.svn.wordpress.org/content-protector/trunk@908597 b8457f37-d9ea-0310-8a92-e5e31aec5664