doc : minor edit in README

Author: sepandhaghighi

README.md

@@ -128,7 +128,7 @@ ip_status=orangetool.ping(ip_address) #this function check ip and return True if
 
 #5- set_ip
 
-set_ip("192.168.1.46","eth0")  #this function set static ip for system
+orangetool.set_ip("192.168.1.46","eth0")  #this function set static ip for system
 
 #6- mac