diff --git a/README.md b/README.md
index b38853a..ebd4ae4 100644
--- a/README.md
+++ b/README.md
@@ -9,9 +9,9 @@ A tool to activity logger to monitor the users of your Laravel Nova.
 - Behind the scenes [spatie/laravel-activitylog](https://github.com/spatie/laravel-activitylog) is used.
 
 
-
 ![screenshot](https://raw.githubusercontent.com/bolechen/nova-activitylog/master/docs/screenshot.png?20190308)
 
+
 ## Installation
 
 You can install the package in to a Laravel app that uses [Nova](https://nova.laravel.com) via composer:
@@ -28,26 +28,19 @@ php artisan vendor:publish --provider="Spatie\Activitylog\ActivitylogServiceProv
 *Note*: The default migration assumes you are using integers for your model IDs. If you are using UUIDs, or some other format, adjust the format of the subject_id and causer_id fields in the published migration before continuing.
 
 
-
 After publishing the migration you can create the `activity_log` table by running the migrations:
 
 ```bash
 php artisan migrate
 ```
 
-
-
 You can optionally publish the config file with:
 
 ```bash
 php artisan vendor:publish --provider="Spatie\Activitylog\ActivitylogServiceProvider" --tag="config"
 ```
 
-
-
-**You can find More `Activitylog` documentation on https://docs.spatie.be/laravel-activitylog/v3.**
-
-
+## How to use
 
 Next up, you must register the tool with Nova. This is typically done in the `tools` method of the `NovaServiceProvider`.
 
@@ -65,7 +58,25 @@ public function tools()
 }
 ```
 
+Because backend we use the `spatie/laravel-activitylog` package, you need to do is let your model use the `Spatie\Activitylog\Traits\LogsActivity` trait.
+
+Here's an example:
+
+```php
+use Illuminate\Database\Eloquent\Model;
+use Spatie\Activitylog\Traits\LogsActivity;
+
+class NewsItem extends Model
+{
+    use LogsActivity;
+
+    protected $fillable = ['name', 'text'];
+    
+    protected static $logAttributes = ['name', 'text'];
+}
+```
 
+For more advanced usage can look at the doc: https://docs.spatie.be/laravel-activitylog/v3/advanced-usage/logging-model-events
 
 ## License
 
diff --git a/routes/api.php b/routes/api.php
index 1b1b1cd..69e94e8 100644
--- a/routes/api.php
+++ b/routes/api.php
@@ -1,5 +1,14 @@
 <?php
 
+/*
+ * This file is part of the bolechen/nova-activitylog
+ *
+ * (c) Bole Chen <avenger@php.net>
+ *
+ * This source file is subject to the MIT license that is bundled
+ * with this source code in the file LICENSE.
+ */
+
 use Illuminate\Http\Request;
 use Illuminate\Support\Facades\Route;