diff --git a/content/v2.0/actions/parameters.md b/content/v2.0/actions/parameters.md
index 0f21728f..a433db5f 100644
--- a/content/v2.0/actions/parameters.md
+++ b/content/v2.0/actions/parameters.md
@@ -337,6 +337,6 @@ end
 # config/app.rb
 
 class App < Hanami::App
-  config.middleware.use :body_parser, FooParser.new
+  config.middleware.use :body_parser, [:foo, FooParser.new]
 end
 ```