diff --git a/core/modules/node/src/Access/NodeAddAccessCheck.php b/core/modules/node/src/Access/NodeAddAccessCheck.php
index 3cf2521b2cb..8d0a21fe9c7 100644
--- a/core/modules/node/src/Access/NodeAddAccessCheck.php
+++ b/core/modules/node/src/Access/NodeAddAccessCheck.php
@@ -15,6 +15,8 @@ use Drupal\node\NodeTypeInterface;
 
 /**
  * Determines access to for node add pages.
+ *
+ * @ingroup node_access
  */
 class NodeAddAccessCheck implements AccessInterface {
 
diff --git a/core/modules/node/src/Access/NodePreviewAccessCheck.php b/core/modules/node/src/Access/NodePreviewAccessCheck.php
index a352b6b2d38..270dc3fc164 100644
--- a/core/modules/node/src/Access/NodePreviewAccessCheck.php
+++ b/core/modules/node/src/Access/NodePreviewAccessCheck.php
@@ -14,6 +14,8 @@ use Drupal\node\NodeInterface;
 
 /**
  * Determines access to node previews.
+ *
+ * @ingroup node_access
  */
 class NodePreviewAccessCheck implements AccessInterface {
 
diff --git a/core/modules/node/src/Access/NodeRevisionAccessCheck.php b/core/modules/node/src/Access/NodeRevisionAccessCheck.php
index 456dea16ef7..568d811ee9f 100644
--- a/core/modules/node/src/Access/NodeRevisionAccessCheck.php
+++ b/core/modules/node/src/Access/NodeRevisionAccessCheck.php
@@ -16,6 +16,8 @@ use Symfony\Component\Routing\Route;
 
 /**
  * Provides an access checker for node revisions.
+ *
+ * @ingroup node_access
  */
 class NodeRevisionAccessCheck implements AccessInterface {
 
diff --git a/core/modules/node/src/Cache/NodeAccessGrantsCacheContext.php b/core/modules/node/src/Cache/NodeAccessGrantsCacheContext.php
index e213c40d62b..e8922121747 100644
--- a/core/modules/node/src/Cache/NodeAccessGrantsCacheContext.php
+++ b/core/modules/node/src/Cache/NodeAccessGrantsCacheContext.php
@@ -16,6 +16,7 @@ use Drupal\Core\Cache\UserCacheContext;
  * This allows for node access grants-sensitive caching when listing nodes.
  *
  * @see node_query_node_access_alter()
+ * @ingroup node_access
  */
 class NodeAccessGrantsCacheContext extends UserCacheContext implements CalculatedCacheContextInterface {
 
diff --git a/core/modules/node/src/NodeAccessControlHandler.php b/core/modules/node/src/NodeAccessControlHandler.php
index d70a8a9bfd9..f655a5e0194 100644
--- a/core/modules/node/src/NodeAccessControlHandler.php
+++ b/core/modules/node/src/NodeAccessControlHandler.php
@@ -22,6 +22,7 @@ use Symfony\Component\DependencyInjection\ContainerInterface;
  * Defines the access control handler for the node entity type.
  *
  * @see \Drupal\node\Entity\Node
+ * @ingroup node_access
  */
 class NodeAccessControlHandler extends EntityAccessControlHandler implements NodeAccessControlHandlerInterface, EntityHandlerInterface {
 
diff --git a/core/modules/node/src/NodeAccessControlHandlerInterface.php b/core/modules/node/src/NodeAccessControlHandlerInterface.php
index 23509e51865..b3468226bbe 100644
--- a/core/modules/node/src/NodeAccessControlHandlerInterface.php
+++ b/core/modules/node/src/NodeAccessControlHandlerInterface.php
@@ -10,6 +10,8 @@ use Drupal\Core\Session\AccountInterface;
 
 /**
  * Node specific entity access control methods.
+ *
+ * @ingroup node_access
  */
 interface NodeAccessControlHandlerInterface {
 
diff --git a/core/modules/node/src/NodeGrantDatabaseStorage.php b/core/modules/node/src/NodeGrantDatabaseStorage.php
index 9355aa0f83d..1898971d630 100644
--- a/core/modules/node/src/NodeGrantDatabaseStorage.php
+++ b/core/modules/node/src/NodeGrantDatabaseStorage.php
@@ -22,6 +22,8 @@ use Symfony\Component\DependencyInjection\ContainerInterface;
  * Defines a controller class that handles the node grants system.
  *
  * This is used to build node query access.
+ *
+ * @ingroup node_access
  */
 class NodeGrantDatabaseStorage implements NodeGrantDatabaseStorageInterface {
 
diff --git a/core/modules/node/src/NodeGrantDatabaseStorageInterface.php b/core/modules/node/src/NodeGrantDatabaseStorageInterface.php
index 1361c0dd811..7f45ab6de76 100644
--- a/core/modules/node/src/NodeGrantDatabaseStorageInterface.php
+++ b/core/modules/node/src/NodeGrantDatabaseStorageInterface.php
@@ -11,6 +11,8 @@ use Drupal\Core\Session\AccountInterface;
 
 /**
  * Provides an interface for node access grant storage.
+ *
+ * @ingroup node_access
  */
 interface NodeGrantDatabaseStorageInterface {