diff --git a/core/lib/Drupal/Core/Datetime/DateFormatter.php b/core/lib/Drupal/Core/Datetime/DateFormatter.php
index 0b37969209ffe028d181c12704f03b618caa8b37..cafe4cab026d4594430b529e39bb84f9ebece557 100644
--- a/core/lib/Drupal/Core/Datetime/DateFormatter.php
+++ b/core/lib/Drupal/Core/Datetime/DateFormatter.php
@@ -126,7 +126,7 @@ public function format($timestamp, $type = 'medium', $format = '', $timezone = N
       }
     }
 
-    // Fall back to the 'medium' date format type if the format string is
+    // Fall back to the 'fallback' date format type if the format string is
     // empty, either from not finding a requested date format or being given an
     // empty custom format string.
     if (empty($format)) {