diff --git a/railties/guides/source/action_view_overview.textile b/railties/guides/source/action_view_overview.textile
index 0e1a352ebd..54792600a5 100644
--- a/railties/guides/source/action_view_overview.textile
+++ b/railties/guides/source/action_view_overview.textile
@@ -233,7 +233,7 @@ h4. AssetTagHelper
 
 This module provides methods for generating HTML that links views to assets such as images, javascripts, stylesheets, and feeds.
 
-By default, Rails links to these assets on the current host in the public folder, but you can direct Rails to link to assets from a dedicated assets server by setting +ActionController::Base.asset_host+ in your +config/environment.rb+. For example, let's say your asset host is +assets.example.com+:
+By default, Rails links to these assets on the current host in the public folder, but you can direct Rails to link to assets from a dedicated assets server by setting +ActionController::Base.asset_host+ in the application configuration, typically in +config/environments/production.rb+. For example, let's say your asset host is +assets.example.com+:
 
 <ruby>
 ActionController::Base.asset_host = "assets.example.com"