diff --git a/src/Intl/Icu/IntlDateFormatter.php b/src/Intl/Icu/IntlDateFormatter.php
index 402a07c0e..e878fe678 100644
--- a/src/Intl/Icu/IntlDateFormatter.php
+++ b/src/Intl/Icu/IntlDateFormatter.php
@@ -203,7 +203,7 @@ public static function create(?string $locale, ?int $dateType, ?int $timeType, $
      *
      * @param int|string|\DateTimeInterface $datetime The timestamp to format
      *
-     * @return string|bool The formatted value or false if formatting failed
+     * @return string|false The formatted value or false if formatting failed
      *
      * @see https://php.net/intldateformatter.format
      *