diff --git a/readme.md b/readme.md
index 9412391..88193f5 100644
--- a/readme.md
+++ b/readme.md
@@ -4,9 +4,14 @@ xnhttpd
 Tiny Web Server to test CGI on localhost.
 
 ```
-xnhttpd < sample.json
+xnhttpd
 ```
 
+or
+
+```
+xnhttpd sample.json
+```
 which starts service on localhost:8000
 and calls CGI scripts on the current directory.