diff --git a/core/lib/Drupal/Core/Path/PathMatcher.php b/core/lib/Drupal/Core/Path/PathMatcher.php
index 6aa4b57..98a45ec 100644
--- a/core/lib/Drupal/Core/Path/PathMatcher.php
+++ b/core/lib/Drupal/Core/Path/PathMatcher.php
@@ -42,7 +42,7 @@ public function __construct(ConfigFactory $config_factory) {
    * {@inheritdoc}
    */
   public function matchPath($path, array $patterns) {
-    // Convert array of patterns to a string with regex 'or'.
+    // Convert array to a string for easier find and replace.
     $pattern_string = implode("\n", $patterns);
     if (!isset($this->regexes[$pattern_string])) {
       // Convert path settings to a regular expression.
diff --git a/core/modules/system/lib/Drupal/system/Plugin/Core/Condition/RequestPath.php b/core/modules/system/lib/Drupal/system/Plugin/Core/Condition/RequestPath.php
index c1e5ef9..ca30449 100644
--- a/core/modules/system/lib/Drupal/system/Plugin/Core/Condition/RequestPath.php
+++ b/core/modules/system/lib/Drupal/system/Plugin/Core/Condition/RequestPath.php
@@ -123,10 +123,7 @@ public function submit($form, &$form_state) {
    * {@inheritdoc}
    */
   public function summary() {
-    $pages = array();
-    foreach (explode("\n", $this->configuration['pages']) as $page) {
-      $pages[] = trim($page);
-    }
+    $pages = array_map('trim', explode("\n", $this->configuration['pages']));
     $pages = implode(', ', $pages);
     if (!empty($this->configuration['negate'])) {
       return $this->t('Do not return true on the following pages: @pages', array('@pages' => $pages));