README.md in pensio_api-0.3.3 vs README.md in pensio_api-0.3.4

- old
+ new

@@ -1,7 +1,9 @@ # PensioAPI This gem covers most of the Merchant and eCommerce API functionality provided by AltaPay, formerly Pensio (https://altapay.com). +Ruby 2.4.x or later is recommended. + ## Getting Started First, register your Pensio credentials. For example, if you're using rails, create `config/initializers/pensio.rb` with the following contents: ```