diff --git a/core/modules/action/action.api.php b/core/modules/action/action.api.php
index 3718093..ddfe3ca 100644
--- a/core/modules/action/action.api.php
+++ b/core/modules/action/action.api.php
@@ -13,7 +13,7 @@
 /**
  * Executes code after an action is deleted.
  *
- * @param $aid
+ * @param mixed $aid
  *   The action ID.
  */
 function hook_action_delete($aid) {
diff --git a/core/modules/action/src/Plugin/Action/EmailAction.php b/core/modules/action/src/Plugin/Action/EmailAction.php
index 797d8a4..5512306 100644
--- a/core/modules/action/src/Plugin/Action/EmailAction.php
+++ b/core/modules/action/src/Plugin/Action/EmailAction.php
@@ -54,13 +54,14 @@ class EmailAction extends ConfigurableActionBase implements ContainerFactoryPlug
   protected $logger;
 
   /**
-   * The mail manager
+   * The mail manager.
    *
    * @var \Drupal\Core\Mail\MailManagerInterface
    */
   protected $mailManager;
 
-  /** The language manager.
+  /**
+   * The language manager.
    *
    * @var \Drupal\Core\Language\LanguageManagerInterface
    */
@@ -88,9 +89,9 @@ class EmailAction extends ConfigurableActionBase implements ContainerFactoryPlug
    *   The entity manager.
    * @param \Psr\Log\LoggerInterface $logger
    *   A logger instance.
-   * @param \Drupal\Core\Mail\MailManagerInterface
+   * @param \Drupal\Core\Mail\MailManagerInterface $mail_manager
    *   The mail manager.
-   * @param \Drupal\Core\Language\LanguageManagerInterface
+   * @param \Drupal\Core\Language\LanguageManagerInterface $language_manager
    *   The language manager.
    * @param \Egulias\EmailValidator\EmailValidator $email_validator
    *   The email validator.