Update README.md for clarification.
We cannot install locale data through RubyGems against Rails 2.3. See #405 [skip ci]
|@@ -5,6 +5,9 @@ I18n Data Repository for Rails 2.3|
|Central point to collect locale data for use in Ruby on Rails 2.3.|
|+Note that you *cannot* install these data through RubyGems against Rails 2.3.|
|+You should download data files into your `config/locales` directory.|
|If your Rails version is 4.0 or above, visit the [master](https://github.com/svenfuchs/rails-i18n) branch.|
|If your Rails version is 3.x, visit the [rails-3-x](https://github.com/svenfuchs/rails-i18n/tree/rails-3-x) branch.|