small correction

git-svn-id: https://plugins.svn.wordpress.org/bbp-private-groups/trunk@1008792 b8457f37-d9ea-0310-8a92-e5e31aec5664
updated

git-svn-id: https://plugins.svn.wordpress.org/bbp-private-groups/trunk@1008795 b8457f37-d9ea-0310-8a92-e5e31aec5664
updated

git-svn-id: https://plugins.svn.wordpress.org/bbp-private-groups/trunk@1008798 b8457f37-d9ea-0310-8a92-e5e31aec5664