diff --git a/core/includes/install.core.inc b/core/includes/install.core.inc
index 81125ba..4a38f05 100644
--- a/core/includes/install.core.inc
+++ b/core/includes/install.core.inc
@@ -1135,11 +1135,11 @@ function install_settings_form_submit($form, &$form_state) {
 
   // Update global settings array and save.
   $settings['databases'] = (object) array(
-    'value'    => array('default' => array('default' => $form_state['storage']['database'])),
+    'value' => array('default' => array('default' => $form_state['storage']['database'])),
     'required' => TRUE,
   );
   $settings['drupal_hash_salt'] = (object) array(
-    'value'    => drupal_hash_base64(RandomBytes::generate(55)),
+    'value' => drupal_hash_base64(RandomBytes::generate(55)),
     'required' => TRUE,
   );
 
diff --git a/core/lib/Drupal/Component/Utility/RandomBytes.php b/core/lib/Drupal/Component/Utility/RandomBytes.php
index 7201040..7382126 100644
--- a/core/lib/Drupal/Component/Utility/RandomBytes.php
+++ b/core/lib/Drupal/Component/Utility/RandomBytes.php
@@ -22,6 +22,9 @@ class RandomBytes {
    *
    * @param int $count
    *   The number of characters (bytes) to return in the string.
+   *
+   * @return string
+   *   A randomly generated string.
    */
   public static function generate($count) {
     static $random_state, $bytes, $php_compatible;