README.md in qor_dsl-0.2.0 vs README.md in qor_dsl-0.2.1

@@ -28,10 +28,10 @@
     # gemfile.rb
     class Gemfile
       include Qor::Dsl
       default_configs [ENV['BUNDLE_GEMFILE'], 'Gemfile']
 
-      node :source
+      node :source, :default_value => 'http://rubygems.org'
       node :gem
 
       node :group do
         node :gem
       end