Cosmetic: minor changes to ruby readme

Author: majek

ruby/README.md

@@ -1,10 +1,13 @@
 # Ruby code for RabbitMQ tutorials
 
-Here you can find Ruby code examples from [RabbitMQ tutorials](http://www.rabbitmq.com/getstarted.html).
+Here you can find Ruby code examples from
+[RabbitMQ tutorials](http://www.rabbitmq.com/getstarted.html).
 
 ## Requirements
 
-To run this code you need [amqp gem](http://bit.ly/itcpVv) version 0.8 (currently available as a prerelease version). This code won't work with earlier versions! You can install it via RubyGems thusly:
+To run this code you need [amqp gem](http://bit.ly/itcpVv) version 0.8
+(currently available as a prerelease version). This code won't work
+with earlier versions! You can install it via RubyGems thusly:
 
     gem install amqp --pre
 
@@ -25,4 +28,19 @@ To run this code you need [amqp gem](http://bit.ly/itcpVv) version 0.8 (currentl
     ruby receive_logs.rb
     ruby emit_log.rb
 
+[Tutorial four: Routing](http://www.rabbitmq.com/tutorial-four-python.html)
+
+    ruby receive_logs_direct.rb
+    ruby emit_log_direct.rb
+
+[Tutorial five: Topics](http://www.rabbitmq.com/tutorial-five-python.html)
+
+    ruby receive_logs_topic.rb
+    ruby emit_log_topic.rb
+
+[Tutorial six: RPC](http://www.rabbitmq.com/tutorial-six-python.html)
+
+    ruby rpc_server.rb
+    ruby rpc_client.rb
+
 To learn more, visit [Ruby AMQP gem documentation](http://bit.ly/mDm1JE) site.