diff --git a/core/modules/node/lib/Drupal/node/Plugin/Search/NodeSearch.php b/core/modules/node/lib/Drupal/node/Plugin/Search/NodeSearch.php
index c71e079..fb0538a 100644
--- a/core/modules/node/lib/Drupal/node/Plugin/Search/NodeSearch.php
+++ b/core/modules/node/lib/Drupal/node/Plugin/Search/NodeSearch.php
@@ -561,7 +561,7 @@ public function buildConfigurationForm(array $form, array &$form_state) {
     // Note: reversed to reflect that higher number = higher ranking.
     $options = drupal_map_assoc(range(0, 10));
     foreach ($this->getRankings() as $var => $values) {
-      $form['content_ranking']['factors']['rankings_' . $var] = array(
+      $form['content_ranking']['factors']["rankings_$var"] = array(
         '#title' => $values['title'],
         '#type' => 'select',
         '#options' => $options,
@@ -576,8 +576,8 @@ public function buildConfigurationForm(array $form, array &$form_state) {
    */
   public function submitConfigurationForm(array &$form, array &$form_state) {
     foreach ($this->getRankings() as $var => $values) {
-      if (!empty($form_state['values']['rankings_'.$var])) {
-        $this->configuration['rankings'][$var] = $form_state['values']['rankings_' . $var];
+      if (!empty($form_state['values']["rankings_$var"])) {
+        $this->configuration['rankings'][$var] = $form_state['values']["rankings_$var"];
       }
       else {
         unset($this->configuration['rankings'][$var]);