README.md in meilisearch-rails-0.6.0 vs README.md in meilisearch-rails-0.7.0

@@ -56,11 +56,11 @@
 
 To learn more about Meilisearch, check out our [Documentation](https://docs.meilisearch.com/learn/tutorials/getting_started.html) or our [API References](https://docs.meilisearch.com/reference/api/).
 
 ## 🤖 Compatibility with Meilisearch
 
-This package only guarantees the compatibility with the [version v0.27.0 of Meilisearch](https://github.com/meilisearch/meilisearch/releases/tag/v0.27.0).
+This package only guarantees the compatibility with the [version v0.28.0 of Meilisearch](https://github.com/meilisearch/meilisearch/releases/tag/v0.28.0).
 
 ## 🔧 Installation <!-- omit in toc -->
 
 This package requires Ruby version 2.6.0 or later and Rails 5.2 or later.
 
@@ -260,32 +260,20 @@
 end
 ```
 
 #### Index UID according to the environment <!-- omit in toc -->
 
-You can suffix the index UID with the current Rails environment using one of the following options:
+You can suffix the index UID with the current Rails environment by setting it globally:
 
-By defining directly in your model:
-
 ```ruby
-class Book < ActiveRecord::Base
-  include MeiliSearch::Rails
-
-  meilisearch per_environment: true
-end
-```
-
-Or setting it globally:
-
-```ruby
 MeiliSearch::Rails.configuration = {
   meilisearch_host: 'YourMeilisearchHost',
   meilisearch_api_key: 'YourMeilisearchAPIKey',
   per_environment: true
 }
 ```
 
-Both options will make your index name look like this `"Book_#{Rails.env}"`.
+This way your index UID will look like this `"Book_#{Rails.env}"`.
 
 ### Index configuration
 
 #### Custom attribute definition