diff --git a/core/modules/action/action.api.php b/core/modules/action/action.api.php
index bdd7c0f..3e65bea 100644
--- a/core/modules/action/action.api.php
+++ b/core/modules/action/action.api.php
@@ -8,7 +8,7 @@
 /**
  * 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 e56a887..b885ce8 100644
--- a/core/modules/action/src/Plugin/Action/EmailAction.php
+++ b/core/modules/action/src/Plugin/Action/EmailAction.php
@@ -53,13 +53,14 @@ 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
    */
@@ -87,9 +88,9 @@ 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.