diff --git a/core/lib/Drupal/Core/Annotation/QueueWorker.php b/core/lib/Drupal/Core/Annotation/QueueWorker.php
index 5409f4e..85a2296 100644
--- a/core/lib/Drupal/Core/Annotation/QueueWorker.php
+++ b/core/lib/Drupal/Core/Annotation/QueueWorker.php
@@ -19,9 +19,9 @@
  * items in the queue, otherwise it might take several requests, which can be
  * run in parallel.
  *
- * You can create queues, add items to them, claim them, etc without declaring
- * the queue in this hook if you want, however, you need to take care of
- * processing the items in the queue in that case.
+ * You can create queues, add items to them, claim them, etc. without using a
+ * QueueWorker plugin if you want, however, you need to take care of processing
+ * the items in the queue in that case. See \Drupal\Core\Cron for an example.
  *
  * Plugin Namespace: Plugin\QueueWorker
  *
diff --git a/core/lib/Drupal/Core/Queue/QueueWorkerInterface.php b/core/lib/Drupal/Core/Queue/QueueWorkerInterface.php
index ee4124a..be6e335 100644
--- a/core/lib/Drupal/Core/Queue/QueueWorkerInterface.php
+++ b/core/lib/Drupal/Core/Queue/QueueWorkerInterface.php
@@ -27,18 +27,19 @@
    *   \Drupal\Core\Queue\QueueInterface::createItem() when the item was queued.
    *
    * @throws \Exception
-   *   The worker callback may throw an exception to indicate there was a
+   *   A QueueWorker plugin may throw an exception to indicate there was a
    *   problem. The cron process will log the exception, and leave the item in
    *   the queue to be processed again later.
    * @throws \Drupal\Core\Queue\SuspendQueueException
-   *   More specifically, a SuspendQueueException should be thrown when the
-   *   callback is aware that the problem will affect all subsequent workers of
-   *   its queue. For example, a callback that makes HTTP requests may find that
-   *   the remote server is not responding. The cron process will behave as with
-   *   a normal Exception, and in addition will not attempt to process further
-   *   items from the current item's queue during the current cron run.
+   *   More specifically, a SuspendQueueException should be thrown when a
+   *   QueueWorker plugin is aware that the problem will affect all subsequent
+   *   workers of its queue. For example, a callback that makes HTTP requests
+   *   may find that the remote server is not responding. The cron process will
+   *   behave as with a normal Exception, and in addition will not attempt to
+   *   process further items from the current item's queue during the current
+   *   cron run.
    *
-   * @see \Drupal\Core\Cron::run()
+   * @see \Drupal\Core\Cron::processQueues()
    */
   public function processItem($data);