diff -u b/core/lib/Drupal/Core/Lock/PersistentDatabaseLockBackend.php b/core/lib/Drupal/Core/Lock/PersistentDatabaseLockBackend.php
--- b/core/lib/Drupal/Core/Lock/PersistentDatabaseLockBackend.php
+++ b/core/lib/Drupal/Core/Lock/PersistentDatabaseLockBackend.php
@@ -28,7 +28,7 @@
     // function that releases all the locks at the end of a request.
     $this->database = $database;
     // Set the lockId to a fixed string to make the lock ID the same across
-    // multiple requests. The lock ID is use as a page token to relate all the
+    // multiple requests. The lock ID is used as a page token to relate all the
     // locks set during a request to each other.
     // @see \Drupal\Core\Lock\LockBackendInterface::getLockId()
     $this->lockId = 'persistent';