diff --git a/core/modules/system/core.api.php b/core/modules/system/core.api.php
index 14c894a..9df5fb6 100644
--- a/core/modules/system/core.api.php
+++ b/core/modules/system/core.api.php
@@ -1,3 +1,4 @@
+
 <?php
 
 /**
@@ -1642,6 +1643,8 @@
  * instead of executing the tasks directly. To do this, first define one or
  * more queues via a \Drupal\Core\Annotation\QueueWorker plugin. Then, add items
  * that need to be processed to the defined queues.
+ *
+ * @see queue
  */
 function hook_cron() {
   // Short-running operation example, not using a queue:
@@ -1688,6 +1691,8 @@ function hook_data_type_info_alter(&$data_types) {
  * @see \Drupal\Core\QueueWorker\QueueWorkerInterface
  * @see \Drupal\Core\Annotation\QueueWorker
  * @see \Drupal\Core\Cron
+ *
+ * @ingroup queue
  */
 function hook_queue_info_alter(&$queues) {
   // This site has many feeds so let's spend 90 seconds on each cron run