diff --git a/Documentation/AdministratorManual/Configuration/Breadcrumb.rst b/Documentation/AdministratorManual/Configuration/Breadcrumb.rst
index ec097bd7..1bcdec7f 100644
--- a/Documentation/AdministratorManual/Configuration/Breadcrumb.rst
+++ b/Documentation/AdministratorManual/Configuration/Breadcrumb.rst
@@ -5,7 +5,7 @@ To add the calendarize link to the breadcrumb use this user function
 
 .. code-block:: typoscript
 
-  [request.getQueryParams()['tx_calendarize_calendar']['index'] > 0]
+  [traverse(request.getQueryParams(), 'tx_calendarize_calendar/index') > 0]
   lib.myBreadcrumbMenu.999 = USER
   lib.myBreadcrumbMenu.999.userFunc = HDNET\Calendarize\Service\BreadcrumbService->generate
   lib.myBreadcrumbMenu.999.doNotLinkIt = 1 # (enable or disable the link => 0)