Adding a nofollow attribute to IPS links

Open: sources/classes/class_display.php

Find:

<a href='http://www.invisionboard.com' target='_blank' style='color:#000'>Invision Power Board</a>

Replace to:

<a href='http://www.invisionboard.com' target='_blank' rel='nofollow' style='color:#000'>Invision Power Board</a>

Find:

<a href='http://www.invisionboard.com' style='text-decoration:none' target='_blank'>IP.Board</a>

Replace to:

<a href='http://www.invisionboard.com' rel='nofollow' style='text-decoration:none' target='_blank'>IP.Board</a>

Save and upload file.