diff --git a/core/modules/system/system.install b/core/modules/system/system.install
index 4c7162c..f01a387 100644
--- a/core/modules/system/system.install
+++ b/core/modules/system/system.install
@@ -353,21 +353,30 @@ function system_requirements($phase) {
     $summary = t('Last run !time ago', array('!time' => \Drupal::service('date.formatter')->formatInterval(REQUEST_TIME - $cron_last)));
     $description = '';
     if ($severity != REQUIREMENT_INFO) {
-      $description = t('Cron has not run recently.') . ' ' . $help;
+      $description = t('Cron has not run recently.') . ' ' . $help . ' ';
     }
 
-    $description .= ' ' . t('You can <a href="@cron">run cron manually</a>.', array('@cron' => \Drupal::url('system.run_cron')));
-    $description .= '<br />' . t('To run cron from outside the site, go to <a href="!cron">!cron</a>', array('!cron' => \Drupal::url('system.cron', array('key' => \Drupal::state()->get('system.cron_key'), array('absolute' => TRUE)))));
+    $description .= t('You can <a href="@cron">run cron manually</a>.', array('@cron' => \Drupal::url('system.run_cron'))) . ' ';
+
+    // Get cron key.
+    $cron_key = \Drupal::state()->get('system.cron_key');
+    // Get cron run outside url.
+    $cron_outside_url = \Drupal::url('system.cron', array('key' => $cron_key), array('absolute' => TRUE));
+    $description .= '<br />' . t('To run cron from outside the site, go to <a href="!cron">!cron</a>', array('!cron' => $cron_outside_url));
+
+    // The $description string is concatenated from t() calls, so safe.
+    // We can implement raw filter in the inline_template call.
+    $description = array(
+      '#type' => 'inline_template',
+      '#template' => '{{ description|raw }}',
+      '#context' => array('description' => $description),
+    );
 
     $requirements['cron'] = array(
       'title' => t('Cron maintenance tasks'),
       'severity' => $severity,
       'value' => $summary,
-      // @todo This string is concatenated from t() calls, safe drupal_render()
-      //   output, whitespace, and <br /> tags, so is safe. However, as a best
-      //   practice, we should not use SafeMarkup::set() around a variable. Fix
-      //   in: https://www.drupal.org/node/2296929
-      'description' => SafeMarkup::set($description),
+      'description' => \Drupal::service('renderer')->render($description),
     );
   }
   if ($phase != 'install') {