Update class-linkbacks-notifications.php
Update class-linkbacks-notifications.php

Edited line 80 as missing ::
pfefferle/wordpress-semantic-linkbacks,dshanske/wordpress-semantic-linkbacks,pfefferle/wordpress-semantic-linkbacks,dshanske/wordpress-semantic-linkbacks,pfefferle/wordpress-semantic-linkbacks,dshanske/wordpress-semantic-linkbacks,dshanske/wordpress-semantic-linkbacks,pfefferle/wordpress-semantic-linkbacks