Modified Readme.txt to correct errors

git-svn-id: https://plugins.svn.wordpress.org/gravatar-alt-title-fix/trunk@1013858 b8457f37-d9ea-0310-8a92-e5e31aec5664
Modified Readme.txt to correct errors, again

git-svn-id: https://plugins.svn.wordpress.org/gravatar-alt-title-fix/trunk@1013860 b8457f37-d9ea-0310-8a92-e5e31aec5664