README.md in redis-stream-0.1.0 vs README.md in redis-stream-0.2.0

@@ -61,23 +61,37 @@
 configure do
   set :redis_stream, Redis::Stream::Client.new("greetings", "HTTP", "http_client", "sync_start" => true)
   
 get '/:name' do
   halt 500, 'name parameter not found' unless params.include?(:name)
-  result = settings.redis_stream.sync_add(params[:name], "time_out" => 60)
+  result = settings.redis_stream.sync_add(params[:name], "group" => "GREETER", "time_out" => 60)
   @name = params[:name]
   @reversed_name = result[payload]
   erb :index
 end
 
 __END__
 @@index
 
 <p>Hello, <%= @name %>!</p>
 <p><%= @reversed_name</p>
-
 ```
 
+# reverse_greeter.rb
+```ruby
+require 'redis-stream'
+
+reverse_greeter = Redis::Stream::Client.new("greetings", "GREETER", "reverse_greeter")
+reverse_greeter.on_message do |message|
+    begin
+      greeting = message['payload']
+      reverse_greeter.add(greeting.reverse, "to" => message['from'])
+    rescue Exception => e
+    end
+end
+
+reverse_greeter.start(true, false)
+```
 
 ## Development
 
 After checking out the repo, run `bin/setup` to install dependencies. Then, run `rake test` to run the tests. You can also run `bin/console` for an interactive prompt that will allow you to experiment.