merlin/merlin/static/merlin/templates/fields/text.html

<div class="form-group">
  <label for="elem-{$ $id $}">{$ value.title() $}</label>
  <textarea class="form-control" id="elem-{$ $id $}"
            ng-model="value.value" ng-model-options="{ getterSetter: true }"
            autocompletable="true"></textarea>
</div>