includes/languages/english.php

Line #77 : define('BOX_HEADING_CATEGORIES', 'Shop By Model');

includes/templates/blue_strip/languages/english.php

Line #77 : define('BOX_HEADING_CATEGORIES', 'Shop By Model');

These are all the files I can find that I should edit. They already have 'Shop By Model' yet my categories sidebox still says simply Model. What am I doing wrong!!!!!!!!!!!!!!!!!!