diff --git a/README.md b/README.md
index f82e71d..f60f6e2 100644
--- a/README.md
+++ b/README.md
@@ -22,15 +22,29 @@ You can install this package via composer:
 ``` bash
 composer require enniel/laravel-fcm-notification-channel:1.*
 ```
-Register the provider directly in your app configuration file `config/app.php`:
+
+If you aren't using Laravel 5.5 register the provider directly in your app configuration file `config/app.php`:
+
 ``` php
 'providers' => [
     // ...
 
-    NotificationChannels\FCM\ServiceProvider::class 
+    NotificationChannels\FCM\ServiceProvider::class,
+    LaravelFCM\FCMServiceProvider::class,
 ]
 ```
 
+In your `.env` file, add the server key and the secret key for the Firebase Cloud Messaging:
+
+```php
+FCM_SERVER_KEY=my_secret_server_key
+FCM_SENDER_ID=my_secret_sender_id
+```
+
+To get these keys, you must create a new application on the [firebase cloud messaging console](https://console.firebase.google.com/).
+
+After the creation of your application on Firebase, you can find keys in `project settings -> cloud messaging`.
+
 ## Usage
 
 Now you can use the channel in your `via()` method inside the notification:
diff --git a/composer.json b/composer.json
index 6b85992..111751e 100644
--- a/composer.json
+++ b/composer.json
@@ -41,6 +41,11 @@
     "extra": {
         "branch-alias": {
             "dev-master": "1.0.x-dev"
+        },
+        "laravel": {
+            "providers": [
+                "NotificationChannels\\FCM\\ServiceProvider"
+            ]
         }
     },
     "minimum-stability": "dev",