message: improve register API doc
diff: @@ -271,8 +271,8 @@ export default {
  <p>
  <b className={typographyStyles.note}>Important:</b> <code>name</code>{" "}
  is <b>required</b> and <b>unique</b> (can not start with a number or
  - use it as key name). Input name also supports dot and bracket syntax,
  - which allows you to easily create nested form fields.
  + use number as key name). Input name also supports dot and bracket
  + syntax, which allows you to easily create nested form fields.
  </p>
  </>
  ),
  