changed copywriting

git-svn-id: https://plugins.svn.wordpress.org/squirrly-seo/trunk@939849 b8457f37-d9ea-0310-8a92-e5e31aec5664
better typing

git-svn-id: https://plugins.svn.wordpress.org/squirrly-seo/trunk@939850 b8457f37-d9ea-0310-8a92-e5e31aec5664