<div class='field custom'>
<label for='{{$field.0}}'>{{$field.1}}</label>
{{$field.2}}
- <span class='field_help'>{{$field.3}}</span>
+ {{if $field.3}}
+ <span class="field_help" role="tooltip" id="{{$field.0}}_tip">{{$field.3}}</span>
+ {{/if}}
</div>