diff --git a/core/lib/Drupal/Core/Queue/QueueInterface.php b/core/lib/Drupal/Core/Queue/QueueInterface.php
index 8b9ff654c068bed674ed92d54e7fc2f2bcfd1118..5305a26be02a3cc94565f5a5e89d2274f2bec92f 100644
--- a/core/lib/Drupal/Core/Queue/QueueInterface.php
+++ b/core/lib/Drupal/Core/Queue/QueueInterface.php
@@ -18,7 +18,7 @@ interface QueueInterface {
    * @param $data
    *   Arbitrary data to be associated with the new task in the queue.
    *
-   * @return bool|int|string
+   * @return false|int|string
    *   A unique ID if the item was successfully created and was (best effort)
    *   added to the queue, otherwise FALSE. We don't guarantee the item was
    *   committed to disk etc, but as far as we know, the item is now in the