diff --git a/README.md b/README.md
index 2150150..abd00f4 100644
--- a/README.md
+++ b/README.md
@@ -59,7 +59,7 @@ If you don't want to use port 3000 for GotHub, set the GOTHUB_PORT environment v
 We recommend Caddy for the web server, as it provides automatic HTTPS, HTTP/3 and is easy to setup.
 ```caddyfile
 gothub.example.com {
-    reverse_proxy localhost:3000
+    reverse_proxy localhost:(the port for GotHub)
 }
 ```