diff -u b/core/modules/dblog/lib/Drupal/dblog/Controller/DBLogController.php b/core/modules/dblog/lib/Drupal/dblog/Controller/DBLogController.php
--- b/core/modules/dblog/lib/Drupal/dblog/Controller/DBLogController.php
+++ b/core/modules/dblog/lib/Drupal/dblog/Controller/DBLogController.php
@@ -39,6 +39,11 @@
 
   /**
    * Constructs a DBLogController object.
+   *
+   * @param Connection $database
+   *   A database connection.
+   * @param ModuleHandlerInterface $module_handler
+   *   A module handler.
    */
   public function __construct(Connection $database, ModuleHandlerInterface $module_handler) {
     $this->database = $database;
@@ -53,13 +58,13 @@
    */
   public static function getLogLevelClassMap() {
     return array(
-      WATCHDOG_DEBUG     => 'dblog-debug',
-      WATCHDOG_INFO      => 'dblog-info',
-      WATCHDOG_NOTICE    => 'dblog-notice',
-      WATCHDOG_WARNING   => 'dblog-warning',
-      WATCHDOG_ERROR     => 'dblog-error',
-      WATCHDOG_CRITICAL  => 'dblog-critical',
-      WATCHDOG_ALERT     => 'dblog-alert',
+      WATCHDOG_DEBUG => 'dblog-debug',
+      WATCHDOG_INFO => 'dblog-info',
+      WATCHDOG_NOTICE => 'dblog-notice',
+      WATCHDOG_WARNING => 'dblog-warning',
+      WATCHDOG_ERROR => 'dblog-error',
+      WATCHDOG_CRITICAL => 'dblog-critical',
+      WATCHDOG_ALERT => 'dblog-alert',
       WATCHDOG_EMERGENCY => 'dblog-emergency',
     );
   }
@@ -109,8 +114,8 @@
     );
 
     $query = $this->database->select('watchdog', 'w')
-            ->extend('Drupal\Core\Database\Query\PagerSelectExtender')
-            ->extend('Drupal\Core\Database\Query\TableSortExtender');
+      ->extend('Drupal\Core\Database\Query\PagerSelectExtender')
+      ->extend('Drupal\Core\Database\Query\TableSortExtender');
     $query->leftJoin('users', 'u', 'w.uid = u.uid');
     $query->fields('w', array(
       'wid',