Add nofollow Attribute for main index for IPS link

open sources/classes/class_display.php

find:

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


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

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

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

save and then upload file