Add the below javascript code in custominit.html file and place it in MQ_HOME\common\EnterpriseName\htmlprops folder
<script id="customInitId" language="JavaScript" type="text/javascript">
function customInit(){
jQuery("#criteriaFrame").load(function(){
jQuery("#criteriaFrame").contents().find('[class=cLeftTDA]').css("word-break","inherit");
});
}
</script>