README.rdoc in csv_rails-0.5.2 vs README.rdoc in csv_rails-0.6.0

@@ -1,8 +1,13 @@
 = CsvRails
 
 CsvRails provides a simple way of download csv in Rails 3.
 
+== Supported versions
+Ruby 1.9 (1.8 not supported)
+Rails 3
+ActiveRecord or Mongoid
+
 == Install
 
 To use CsvRails simply add the line
 
     gem 'csv_rails'