included marketing headling in description

git-svn-id: https://plugins.svn.wordpress.org/landing-pages-builder/trunk@843415 b8457f37-d9ea-0310-8a92-e5e31aec5664
fixed wrong headline in description

git-svn-id: https://plugins.svn.wordpress.org/landing-pages-builder/trunk@843416 b8457f37-d9ea-0310-8a92-e5e31aec5664