diff --git a/src/Twig/AppExtension.php b/src/Twig/AppExtension.php
index bdb4ec608..377b6ae16 100644
--- a/src/Twig/AppExtension.php
+++ b/src/Twig/AppExtension.php
@@ -21,7 +21,7 @@
  * This Twig extension adds a new 'md2html' filter to easily transform Markdown
  * contents into HTML contents inside Twig templates.
  *
- * See https://symfony.com/doc/current/cookbook/templating/twig_extension.html
+ * See https://symfony.com/doc/current/templating/twig_extension.html
  *
  * @author Ryan Weaver <weaverryan@gmail.com>
  * @author Javier Eguiluz <javier.eguiluz@gmail.com>