message: fix a typo in the API documentation
  add a missing closing round bracket
diff: @@ -159,7 +159,7 @@ export default {
  <li>
  <p>
  Register hidden inputs. For example:{" "}
  - <code>{`<input type="hidden" {...register('test'} />`}</code>
  + <code>{`<input type="hidden" {...register('test')} />`}</code>
  </p>
  </li>
  <li>
  