README.md in slack-rtmapi-1.0.0.rc2 vs README.md in slack-rtmapi-1.0.0.rc3

@@ -2,21 +2,22 @@
 ============
 
 All you need to use the RTM api of Slack
 
 Please note that this gem is GPLv3. You *CAN'T* use it for proprietary software.
-If you need a licence, please contact me and I will respond in the 24 hours.
+If you need a licence, please contact me and I will respond within the 24 hours.
 
 HOW TO USE
 ----------
 
 ```ruby
 require 'slack-rtmapi'
 
-url = SlackRTM.get_url token: 'xxx'
+url = SlackRTM.get_url token: 'xxx' # get one on https://api.slack.com/web#basics
 client = SlackRTM::Client.new websocket_url: url
 
 client.on :message {|data| p data}
+client.send {type: 'hello'}
 
 client.main_loop
 assert false # never ending loop
 ```