From 31535a0574a612926a798edd050a5e32a0cf9007 Mon Sep 17 00:00:00 2001
From: ubuntu201711081 <201711081@jbnu.ac.kr>
Date: Fri, 4 Dec 2020 09:08:49 +0000
Subject: [PATCH] fix readme

---
 README.md | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/README.md b/README.md
index 8f08b4b..b3d9021 100644
--- a/README.md
+++ b/README.md
@@ -10,7 +10,11 @@ Usage:
 ./client SERVERNAME PORT FILENAME
 ```
 
-available macro:
+Server OPTION and arguments:
+- `-p port`   :set to port binding. couldn't set to 0
+- `-h`        :print help message.
+
+Available macro:
 - DEFAULT_SERVER_PORT : 9091
 - DEFAULT_MAX_PATH_SIZE : 256(must be less than 1000)
 - TIMEOUT : 5(second unit)