diff --git a/core/includes/bootstrap.inc b/core/includes/bootstrap.inc
index b0c9729..f17d069 100644
--- a/core/includes/bootstrap.inc
+++ b/core/includes/bootstrap.inc
@@ -848,7 +848,7 @@ function watchdog_exception($type, Exception $exception, $message = NULL, $varia
  * @see theme_status_messages()
  *
  * @deprecated Deprecated as of Drupal 8.0.
- *   Use \Drupal::service('messenger')->addMessage() instead.
+ *  Use \Drupal::service('messenger')->addMessage() instead.
  */
 function drupal_set_message($message = NULL, $type = 'status', $repeat = FALSE) {
   /* @var \Drupal\Core\Messenger\MessengerInterface $messenger */
diff --git a/core/lib/Drupal/Core/Messenger/StaticMessenger.php b/core/lib/Drupal/Core/Messenger/StaticMessenger.php
index 97b1fc0..4f87415 100644
--- a/core/lib/Drupal/Core/Messenger/StaticMessenger.php
+++ b/core/lib/Drupal/Core/Messenger/StaticMessenger.php
@@ -16,7 +16,7 @@
 class StaticMessenger implements MessengerInterface {
 
   /**
-   * The page caching kill switch.
+   * The messages that have been set.
    *
    * @var array[]
    *   Keys are either self::STATUS, self::WARNING, or self::ERROR. Values are