diff --git a/guide/introduction.md b/guide/introduction.md
index 871e2435..0ac99e54 100644
--- a/guide/introduction.md
+++ b/guide/introduction.md
@@ -78,7 +78,7 @@ Dispatch = [
 %% Name, NbAcceptors, TransOpts, ProtoOpts
 cowboy:start_http(my_http_listener, 100,
 	[{port, 8080}],
-    [{dispatch, Dispatch}]
+    [{env, [{dispatch, Dispatch}]}]
 ).
 ```