a-l10n-id="pref-service-sentenceServices"></label>
      <!-- Replace -->
      <box id="__addonRef__-sentenceServices-placeholder"></box>
      <label data-l10n-id="pref-service-sentenceServicesSecret"></label>
      <html:input
        type="text"
        id="__addonRef__-sentenceServicesSecret"
      ></html:input>
      <button id="__addonRef__-sentenceServicesStatus"></button>
    </hbox>
    <label
      data-l10n-id="pref-service-hint"
      style="padding-left: 18px; margin-top: 8px; margin-bottom: 