zentao/extension/ipd/search/ext/lang/en/zentaomax.php

<?php
if(helper::hasFeature('issue'))       $lang->search->modules['issue']       = 'Issue';
if(helper::hasFeature('risk'))        $lang->search->modules['risk']        = 'Risk';
if(helper::hasFeature('opportunity')) $lang->search->modules['opportunity'] = 'Opportunity';
if(helper::hasFeature('gapanalysis')) $lang->search->modules['trainplan']   = 'Trainplan';