diff --git a/app/controllers/roboto/robots_controller.rb b/app/controllers/roboto/robots_controller.rb
index <HASH>..<HASH> 100644
--- a/app/controllers/roboto/robots_controller.rb
+++ b/app/controllers/roboto/robots_controller.rb
@@ -1,7 +1,7 @@
 module Roboto
   class RobotsController < Roboto::ApplicationController
     def show
-      render :text => robot_contents,
+      render :plain => robot_contents,
         :layout => false,
         :content_type => 'text/plain'
     end
fix DEPRECATION WARNING: `render :text` is deprecated because it does not actually render a `text/plain` response.