message: Correct typo in invalid date error message
diff: @@ -199,7 +199,7 @@ export default class Renderer {
  if (!(data.date instanceof Date)) {
  throw new Exception(
  - 'Invalid date. Use "yyyy-mm-dd" or "yyy-mm-dd hh:mm:ss" formats',
  + 'Invalid date. Use "yyyy-mm-dd" or "yyyy-mm-dd hh:mm:ss" formats',
  { page },
  );
  }
  