README.md in net-http-server-0.2.1 vs README.md in net-http-server-0.2.2

@@ -33,9 +33,13 @@
 
     require 'rack/handler/http'
     
     Rack::Handler::HTTP.run app
 
+Using it with `rackup`:
+
+    $ rackup -s HTTP
+
 ## Requirements
 
 * [parslet](http://rubygems.org/gems/parslet) ~> 1.0
 
 ## Install