diff --git a/core/includes/errors.inc b/core/includes/errors.inc
index c0cf4e0..117f3bd 100644
--- a/core/includes/errors.inc
+++ b/core/includes/errors.inc
@@ -230,10 +230,10 @@ function _drupal_log_error($error, $fatal = FALSE) {
     }
 
     if ($fatal) {
-      // We fallback to a maintenance page at this point, because the page generation
-      // itself can generate errors.
+      // Fallback to a maintenance page, because the page generation itself can 
+      // generate errors.
       // Should not translate the string to avoid errors producing more errors.
-      $message = 'The website has encountered an error. Please try again later.';
+      $message = 'The website has encountered an unexpected error. Please try again later.';
       if ($is_installer) {
         // install_display_output() prints the output and ends script execution.
         $output = array(
diff --git a/core/lib/Drupal/Core/EventSubscriber/DefaultExceptionSubscriber.php b/core/lib/Drupal/Core/EventSubscriber/DefaultExceptionSubscriber.php
index 78405ae..e2846c0 100644
--- a/core/lib/Drupal/Core/EventSubscriber/DefaultExceptionSubscriber.php
+++ b/core/lib/Drupal/Core/EventSubscriber/DefaultExceptionSubscriber.php
@@ -130,7 +130,7 @@ protected function onHtml(GetResponseForExceptionEvent $event) {
       drupal_set_message(SafeMarkup::set($message), $class, TRUE);
     }
 
-    $content = $this->t('The website has encountered an error. Please try again later.');
+    $content = $this->t('The website has encountered an unexpected error. Please try again later.');
     $output = $this->bareHtmlPageRenderer->renderBarePage(['#markup' => $content], $this->t('Error'), 'maintenance_page');
     $response = new Response($output);