Update README.md

Author: tomhanoldt

README.md

@@ -2,7 +2,7 @@
 
 ### Setup
 ```
-git submodule add https://github.com/creative-workflow/lib-wp.git ./wordpress/wp-content/themes/child/lib/cw/wp
+git submodule add https://github.com/creative-workflow/lib-wordpress.git ./wordpress/wp-content/themes/child/lib/cw/wp
 git submodule add https://github.com/creative-workflow/lib-php.git ./wordpress/wp-content/themes/child/lib/cw/php
 git submodule add https://github.com/creative-workflow/lib-sass.git ./wordpress/wp-content/themes/child/lib/cw/sass
 ```