Thread:Project:Support desk/How to put license in the footer

So I'm trying to put my license information on the footer of the website. I was successfully able to add the $wgRightsUrl into my localsettings.php file, but I literally see nothing new that has changed. Two questions:

What exactly did altering the Localsettings.php do? How can I get my license stated on the footer of the page like that of MediaWiki?

Thank you for your help and time.