comment Feature in doc

git-svn-id: https://plugins.svn.wordpress.org/instant-feedback/trunk@1024270 b8457f37-d9ea-0310-8a92-e5e31aec5664
comment feature

git-svn-id: https://plugins.svn.wordpress.org/instant-feedback/trunk@1024271 b8457f37-d9ea-0310-8a92-e5e31aec5664