diff --git a/api/README.md b/api/README.md
index e949ac72a5..8d2afa5e80 100644
--- a/api/README.md
+++ b/api/README.md
@@ -11,7 +11,7 @@
 
    ```bash
    cd ../docker
-   cp .middleware.env.example .middleware.env
+   cp middleware.env.example middleware.env
    docker compose -f docker-compose.middleware.yaml -p dify up -d
    cd ../api
    ```