diff --git a/railties/lib/rails/generators/rails/app/templates/Gemfile b/railties/lib/rails/generators/rails/app/templates/Gemfile
index 7d5a865b80..00fe100245 100644
--- a/railties/lib/rails/generators/rails/app/templates/Gemfile
+++ b/railties/lib/rails/generators/rails/app/templates/Gemfile
@@ -18,7 +18,7 @@ source 'http://rubygems.org'
 # gem 'bj'
 # gem 'nokogiri'
 # gem 'sqlite3'
-# gem 'aws-s3', :require => 'aws/s3'
+# gem 'rack-bug', :require => 'rack/bug'
 
 # Bundle gems for the local environment. Make sure to
 # put test-only gems in this group so their generators