you could try this...
go to ../oc-content/themes/osclasswizards/item.php
Line: ~115 and find
<p><?php echo osc_item_description(); ?></p>
replace with
<p><?php echo wordwrap(osc_item_description(), 75, "<br />\n", true); ?></p>
the second parameter (75) is the given length of the string/word