Use code blocks in README

README.md

@@ -4,24 +4,30 @@ Text alerting on a website content change
 
 * web request
 
+```
 require 'net/http'
 uri = URI('https://github.com/chrisvfritz')
 content = Net::HTTP.get(uri)
+```
 
 * parse content
 
+```
 require 'nokogiri'
 parsed = Nokogiri::HTML(content)
-chris\_face = parse.css('.avatar').attr('src').value
+chris_face = parse.css('.avatar').attr('src').value
+```
 
 * ??? (process)
 
 * send text
 
+```
 require 'twilio-ruby'
-client = Twilio::REST::Client.new(account\_sid, auth\_token)
+client = Twilio::REST::Client.new(account_sid, auth_token)
 client.messages.create(
-  from: from\_number,
-  to: notification\_number,
+  from: from_number,
+  to: notification_number,
   body: 'Repos changed'
 )
+```