message: Add description for onchange handler
diff: @@ -24,6 +24,7 @@ export default class ModalWrapper extends PureComponent {
  onOpen: PropTypes.func,
  /* On close callback */
  onClose: PropTypes.func,
  + /* Format string */
  format: PropTypes.string,
  children: PropTypes.node.isRequired,
  onAccept: PropTypes.func,
  