examples/readme/registry in cl-1.2.2 vs examples/readme/registry in cl-1.2.3

@@ -1,12 +1,14 @@
 #!/usr/bin/env ruby
 $: << File.expand_path('lib')
 
 module Cmd
   class One < Cl::Cmd
+    register :one
   end
 
   class Two < Cl::Cmd
+    register :two
   end
 end
 
 p Cl::Cmd[:one] # => Cmd::One
 p Cl::Cmd[:two] # => Cmd::Two