use lang key

clientarea.tpl

@@ -65,7 +65,7 @@
                     <td class="list-heading" style="font-size: 85%;">{$LANG.clientareahostingregdate}</td>
                     <td class="list-text"  style="font-size: 85%;">{$regdate}</td>
             	    </tr>
-            	    {if $billingcycle != 'Gratis-Account'}
+            	    {if $billingcycle ne {lang key='orderpaymenttermfreeaccount'}}
                     <tr>
                         <td class="list-heading" style="font-size: 85%;">{$LANG.firstpaymentamount}</td>
                         <td class="list-text"  style="font-size: 85%;">{$firstpaymentamount}</td>