copay/public/views/includes/note.html

<div class="padding">
  <input type="text" ng-model="comment" autofocus>
</div>
<div class="row">
  <div class="col">
    <button class="button button-dark button-block" ng-click="commentPopupClose(comment)" translate>Cancel</button>
  </div>
  <div class="col">
    <button class="button button-dark button-block" ng-click="commentPopupSave(comment)" translate>Save</button>
  </div>
</div>