diff --git a/routing.rst b/routing.rst
index 5c1d36c05e2..abc75e140fa 100644
--- a/routing.rst
+++ b/routing.rst
@@ -1635,7 +1635,7 @@ multi-tenant applications) and these parameters can be validated too with
             ;
         };
 
-In the above example, the ``domain`` parameter defines a default value because
+In the above example, the ``subdomain`` parameter defines a default value because
 otherwise you need to include a domain value each time you generate a URL using
 these routes.