Fix readme.txt

git-svn-id: https://plugins.svn.wordpress.org/uptime-robot-by-utopian-themes/trunk@934085 b8457f37-d9ea-0310-8a92-e5e31aec5664
Fix readme.txt

git-svn-id: https://plugins.svn.wordpress.org/uptime-robot-by-utopian-themes/trunk@934086 b8457f37-d9ea-0310-8a92-e5e31aec5664
Fix readme.txt

git-svn-id: https://plugins.svn.wordpress.org/uptime-robot-by-utopian-themes/trunk@934087 b8457f37-d9ea-0310-8a92-e5e31aec5664