README.md in instant18n-0.3.0 vs README.md in instant18n-0.4.0

@@ -50,22 +50,22 @@
 
 Full description of these options is available [here](https://platform.openai.com/docs/api-reference/chat/create).
 
 ### View Helper
 
-This gem mixes in an `it` helper method into `ActionView::Base`. For convenience, the helper method assumes the presence of a `current_user` object with a `preferred_language` attribute. If `current_user` is nil, it will use the value of `I18n.default_language` instead.
+This gem mixes in an `it` helper method into `ActionView::Base`. For convenience, the helper method assumes the presence of a `current_user` object with a `preferred_language` attribute. If `current_user` is nil, it will use the value of `I18n.locale` instead.
 
 ### Default Language
 
-The default language is set to `English`. For performance and practical reasons, if you pass in the default language, GPT is not invoked. Change the default language in an initializer or at runtime by changing the value of the `default_language` property on the `I18n` module.
+We use `I18n.default_locale` as the default language. For performance and practical reasons, if you pass in the default language, GPT is not invoked. Change the default language in an initializer or at runtime by changing the value of the `default_language` property on the `I18n` module.
 
 ```
 I18n.default_language = "Spanish"
 ```
 
 ### Anything Goes
 
-Because GPT is smart and can translate into almost anything that resembles a language, all of the following options are known to work:
+Because GPT is smart and can translate into almost anything that resembles a language, in addition to standard locale country codes, all of the following options are known to work:
 * Español
 * Baby Talk
 * Baseldeutsch
 * Braille
 * Ebonics