No example given on how to render JSON data despite the heading 'Rendering XML...

No example given on how to render JSON data despite the heading 'Rendering XML and JSON data'; added relevant code.

railties/guides/source/action_controller_overview.textile

@@ -368,6 +368,7 @@ class UsersController < ApplicationController
     respond_to do |format|
       format.html # index.html.erb
       format.xml  { render :xml => @users}
+      format.json  { render :json => @users}
     end
   end
 end