*modified readme.txt

git-svn-id: https://plugins.svn.wordpress.org/notiifyd/trunk@1010010 b8457f37-d9ea-0310-8a92-e5e31aec5664
* fixed error in readme.txt

git-svn-id: https://plugins.svn.wordpress.org/notiifyd/trunk@1010012 b8457f37-d9ea-0310-8a92-e5e31aec5664