Update README

Author: jeromegamez

README.md

@@ -7,17 +7,15 @@ A Laravel package for the [Firebase PHP Admin SDK](https://github.com/kreait/fir
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 [![Tests](https://github.com/kreait/laravel-firebase/workflows/Tests/badge.svg?branch=main)](https://github.com/kreait/laravel-firebase/actions)
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 - [Installation](#installation)
   - [Laravel](#laravel)
   - [Lumen](#lumen)
 - [Configuration](#configuration)
-- [Upgrading to version 3](#upgrade)
-  - [Facades](UPGRADE.md#facades)
 - [Usage](#usage)
   - [Multiple projects](#multiple-projects)
+- [Upgrading](UPGRADE.md)
 - [Support](#support)
 - [License](#license)
 
@@ -116,15 +114,16 @@ done for you with the Laravel Service Provider. Use Dependency Injection, the Fa
 
 Multiple projects can be configured in [config/firebase.php](config/firebase.php) by adding another section to the projects array.
 
-When accessing components, the facade uses the default project. One can also explicitly use a project:
+When accessing components, the facade uses the default project. You can also explicitly use a project:
 
 ```php
-Firebase::auth() // returns an intance of \Kreait\Firebase\Auth with the configuration found for the default project
-// or
-// 'app' is configured as the default project by default, this would be equivalent to Firebase::firestore() when that is the case
-Firebase::project('app')->firestore() // returns an intance of \Kreait\Firebase\Firestore with the configuration found for the 'app' project
-// or
-Firebase::project('secondary-app')->database() // returns an instance of \Kreait\Firebase\Database with the configuration found for the 'secondary-app' project
+use Kreait\Laravel\Firebase\Facades\Firebase;
+
+// Return an instance of the Auth component for the default Firebase project
+$defaultAuth = Firebase::auth();
+// Return an instance of the Auth component for a specific Firebase project
+$appAuth = Firebase::project('app')->auth();
+$anotherAppAuth = Firebase::project('another-app')->auth();
 ```
 
 ## Support