<p class="ellipsis"><b>Settings for {{ service.activeDomain }}</b></p>
<ng-form name="settingsForm" class="form-horizontal">
  <hw-settings-editor settings="settings" notes></hw-settings-editor>
  <hr/>
  <div class="form-group">
    <div class="col-xs-12 text-center">
      <button type="button" class="btn btn-default" ng-click="service.hideSettings()">
        Back
      </button>
      <button type="button" class="btn btn-success"
              ng-disabled="settingsForm.$pristine"
              ng-click="$ctrl.saveSettings()">
        Save
      </button>
    </div>
  </div>
</ng-form>

<p class="ellipsis"><b>Settings for {{ service.activeDomain }}</b></p>
<ng-form name="settingsForm" class="form-horizontal">
  <hw-settings-editor settings="settings" notes></hw-settings-editor>
  <hr/>
  <div class="form-group">
    <div class="col-xs-12 text-center">
      <button type="button" class="btn btn-default" ng-click="service.hideSettings()">
        Cancel
      </button>
      <button type="button" class="btn btn-success"
              ng-disabled="settingsForm.$pristine"
              ng-click="$ctrl.saveSettings()">
        Save
      </button>
    </div>
  </div>
</ng-form>

Rename "Back" button to "Cancel"
Rename "Back" button to "Cancel"

This is more reflective of what it does.
