improved description

git-svn-id: https://plugins.svn.wordpress.org/flyzoo/trunk@989330 b8457f37-d9ea-0310-8a92-e5e31aec5664
fixed typo

git-svn-id: https://plugins.svn.wordpress.org/flyzoo/trunk@989334 b8457f37-d9ea-0310-8a92-e5e31aec5664