diff --git a/docs/api-guide/routers.md b/docs/api-guide/routers.md
index 6152cc901..3a4f8dd43 100644
--- a/docs/api-guide/routers.md
+++ b/docs/api-guide/routers.md
@@ -79,7 +79,7 @@ For example:
 
     urlpatterns = [
         url(r'^forgot-password/$', ForgotPasswordFormView.as_view()),
-        url(r'^api/', include((router.urls, 'app_name')),
+        url(r'^api/', include((router.urls, 'app_name'))),
     ]
 
 (`include` also allows an optional `namespace` parameter to also create an _instance namespace_.