diff --git a/railties/lib/rails/generators/rails/app/templates/Gemfile b/railties/lib/rails/generators/rails/app/templates/Gemfile
index 3a8a63a2f9771..9405a8fc79e89 100644
--- a/railties/lib/rails/generators/rails/app/templates/Gemfile
+++ b/railties/lib/rails/generators/rails/app/templates/Gemfile
@@ -23,9 +23,13 @@ gem '<%= gem_for_database %>'<% if require_for_database %>, :require => '<%= req
 # Deploy with Capistrano
 # gem 'capistrano'
 
-# To use debugger
+# To use debugger w/ Ruby 1.8.7+
 # gem 'ruby-debug'
 
+# To use debugger w/ Ruby 1.9.2+
+# gem 'ruby-debug19'
+# gem 'linecache19'
+
 # Bundle the extra gems:
 # gem 'bj'
 # gem 'nokogiri'