Added correct link to licensing faq

ee/app/views/admin/licenses/_breakdown.html.haml

@@ -49,7 +49,7 @@
             = number_with_delimiter users_over_license
           %hr
             The
-            %a{ href: 'https://about.gitlab.com/license-faq/' } true-up model
+            %a{ href: 'https://about.gitlab.com/licensing-faq/' } true-up model
             has a retroactive charge for these users at the next renewal. If you want to update your
             license sooner to prevent this, please contact
             #{mail_to 'renewals@gitlab.com'}.