diff --git a/docs/ref/contrib/flatpages.txt b/docs/ref/contrib/flatpages.txt
index ac3509c532..35eb4f9bc9 100644
--- a/docs/ref/contrib/flatpages.txt
+++ b/docs/ref/contrib/flatpages.txt
@@ -79,7 +79,7 @@ to place the pattern at the end of the other urlpatterns::
 
     # Your other patterns here
     urlpatterns += [
-        path('<path:url>/', views.flatpage),
+        re_path(r'^(?P<url>.*/)$', views.flatpage),
     ]
 
 .. warning::