diff --git a/04_intro_to_sockets/README.md b/04_intro_to_sockets/README.md
index dd30935..533a964 100644
--- a/04_intro_to_sockets/README.md
+++ b/04_intro_to_sockets/README.md
@@ -5,7 +5,7 @@
 This project implements a daytime TCP/UDP server and client. 
 The server listens for incoming connections and responds with the current date
 and time. The client sends a message to the choosing the output format of the
-date and time. The server responnds with 
+date and time. 
 
 ## Usage
 
@@ -13,7 +13,8 @@ date and time. The server responnds with
 $ make
 # start tcp server
 $ bin/daytimeTCPSrv <port>
-# run tcp client
+# run tcp client 
+# message 1 -> get localtime otherwise get gmtime
 $ bin/daytimeTCPCli <server-ip> <server-port> <message>
 
 # start udp server