diff --git a/core/lib/Drupal/Core/Config/ConfigEvents.php b/core/lib/Drupal/Core/Config/ConfigEvents.php
index 7fa22a5..af76c84 100644
--- a/core/lib/Drupal/Core/Config/ConfigEvents.php
+++ b/core/lib/Drupal/Core/Config/ConfigEvents.php
@@ -17,6 +17,8 @@
    *
    * @see \Drupal\Core\Config\Config::save()
    * @see \Drupal\Core\Config\ConfigFactory::onConfigSave()
+   *
+   * @Event
    */
   const SAVE = 'config.save';
 
@@ -24,6 +26,8 @@
    * Name of event fired when deleting the configuration object.
    *
    * @see \Drupal\Core\Config\Config::delete()
+   *
+   * @Event
    */
   const DELETE = 'config.delete';
 
@@ -31,6 +35,8 @@
    * Name of event fired when renaming a configuration object.
    *
    * @see \Drupal\Core\Config\ConfigFactoryInterface::rename().
+   *
+   * @Event
    */
   const RENAME = 'config.rename';
 
@@ -39,6 +45,8 @@
    *
    * @see \Drupal\Core\Config\ConfigImporter::validate().
    * @see \Drupal\Core\EventSubscriber\ConfigImportSubscriber::onConfigImporterValidate().
+   *
+   * @Event
    */
   const IMPORT_VALIDATE = 'config.importer.validate';
 
@@ -47,6 +55,8 @@
    *
    * @see \Drupal\Core\Config\ConfigImporter::import().
    * @see \Drupal\Core\EventSubscriber\ConfigSnapshotSubscriber::onConfigImporterImport().
+   *
+   * @Event
    */
   const IMPORT = 'config.importer.import';
 
@@ -55,6 +65,8 @@
    *
    * @see \Drupal\Core\Config\ConfigManager::getConfigCollectionInfo()
    * @see \Drupal\Core\Config\ConfigCollectionInfo
+   *
+   * @Event
    */
   const COLLECTION_INFO = 'config.collection_info';
 
diff --git a/core/modules/block/src/Event/BlockEvents.php b/core/modules/block/src/Event/BlockEvents.php
index 8d71c07..875969d 100644
--- a/core/modules/block/src/Event/BlockEvents.php
+++ b/core/modules/block/src/Event/BlockEvents.php
@@ -17,6 +17,8 @@
    *
    * @see \Drupal\Core\Block\BlockBase::getConditionContexts()
    * @see \Drupal\block\Event\BlockConditionContextEvent
+   *
+   * @Event
    */
   const CONDITION_CONTEXT = 'block.condition_context';