diff --git a/core/lib/Drupal/Core/Menu/MenuTreeStorage.php b/core/lib/Drupal/Core/Menu/MenuTreeStorage.php
index f83f5ac..a7df424 100644
--- a/core/lib/Drupal/Core/Menu/MenuTreeStorage.php
+++ b/core/lib/Drupal/Core/Menu/MenuTreeStorage.php
@@ -284,9 +284,10 @@ public function save(array $link) {
   protected function doSave(array $link) {
     $affected_menus = [];
 
-    // Get the existing definition if it exist. This does not use
+    // Get the existing definition if it exists. This does not use
     // self::loadFull() because we want to compare with $link after calling
-    // self::preSave() and therefore we need to avoid the unserialization.
+    // self::preSave() and, therefore, we need to avoid unserialization of
+    // certain fields.
     $query = $this->connection->select($this->table, $this->options);
     $query->fields($this->table);
     $query->condition('id', $link['id']);