examples/speak in clamp-0.1.2 vs examples/speak in clamp-0.1.3

@@ -4,9 +4,13 @@
 
 require "clamp"
 
 class SpeakCommand < Clamp::Command
 
+  self.description = %{
+    Say something.
+  }
+
   option "--loud", :flag, "say it loud"
   option ["-n", "--iterations"], "N", "say it N times", :default => 1 do |s|
     Integer(s)
   end