message: add more reference to the validate function.
diff: @@ -532,14 +532,16 @@ const onClick = () => {
  <ul>
  <li>
  <p>
  - <code>name</code> is <b>required</b> and <b>unique</b> (except native radio and
  - checkbox). Input name supports both dot and bracket syntax, which
  - allows you to easily create nested form fields.
  + <code>name</code> is <b>required</b> and <b>unique</b> (except
  + native radio and checkbox). Input name supports both dot and
  + bracket syntax, which allows you to easily create nested form
  + fields.
  </p>
  </li>
  <li>
  <p>
  - <code>name</code> can neither start with a number nor use number as key name.
  + <code>name</code> can neither start with a number nor use number
  + as key name.
  </p>
  </li>
  <li>
  @@ -725,6 +727,8 @@ const Select = React.forwardRef(({ onChange, onBlur, name, label }, ref) => (
  <p>
  You can pass a callback function as the argument to validate, or you
  can pass an object of callback functions to validate all of them.
  + This function will be executed on its own without depending on other
  + validation rules include <code>required</code> attribute.
  </p>
  <p>
  <b className={typographyStyles.note}>Note:</b> for{" "}
  