changement in description_3

git-svn-id: https://plugins.svn.wordpress.org/dialogfeed/trunk@850650 b8457f37-d9ea-0310-8a92-e5e31aec5664
simplification settings_2

git-svn-id: https://plugins.svn.wordpress.org/dialogfeed/trunk@850651 b8457f37-d9ea-0310-8a92-e5e31aec5664