Add note about the option to add other precompile targets

railties/lib/rails/generators/rails/app/templates/config/environments/production.rb.tt

@@ -30,6 +30,9 @@
   # Enable serving of images, stylesheets, and javascripts from an asset server
   # config.action_controller.asset_host = "http://assets.example.com"
 
+  # Precompile additional assets (application.js, application.css, and all non-JS/CSS are already added)
+  # config.assets.precompile += %w( search.js )
+
   # Disable delivery errors, bad email addresses will be ignored
   # config.action_mailer.raise_delivery_errors = false