readme change

git-svn-id: https://plugins.svn.wordpress.org/parallax-gravity-landing-page-builder/trunk@914728 b8457f37-d9ea-0310-8a92-e5e31aec5664
bug fix

git-svn-id: https://plugins.svn.wordpress.org/parallax-gravity-landing-page-builder/trunk@914730 b8457f37-d9ea-0310-8a92-e5e31aec5664