diff --git a/README.md b/README.md
index dd74fd8..fa9e7e8 100644
--- a/README.md
+++ b/README.md
@@ -6,7 +6,7 @@
 
 `npm run build` frontend static build
 
-`node NODE_PORT=xxxx /path/to/node.js` otherwise won't work; it listens on 127.0.0.80
+`NODE_PORT=xxxx node /path/to/node.js` otherwise won't work; it listens on 127.0.0.80
 
 
 -----