diff --git a/README.md b/README.md
index 39732cf..b7539ac 100644
--- a/README.md
+++ b/README.md
@@ -24,8 +24,7 @@ reload
 run backend:
 
 ```shell
-cd backend
-cabal run backend -- serve
+cabal run backend -- serve --port 8081 ./blog
 ```
 
 open browser at `http://localhost:8080`.