diff --git a/README.md b/README.md
index 45b73ae..44a7146 100644
--- a/README.md
+++ b/README.md
@@ -56,17 +56,18 @@ First, create a new notification or use an existing one :
 php artisan make:notification BMailNotification
 ```
 
-Next, add a public field '$id' to your class, which will be initialized in the constructor :
+Next, add a public field '$template_id' to your class, which will be initialized in the constructor :
 
 ```bash
-public $id;
+public $template_id;
 
 /**
- * @param Integer $id
+ * BMailNotification constructor.
+ * @param string $template_id
  */
-public function __construct(Integer $id)
+public function __construct(string $template_id)
 {
-    $this->id = $id;
+    $this->template_id = $template_id;
 }
 ```
 
@@ -81,7 +82,7 @@ Then, create a 'toTemplate()' method, in which you specify your template fields
 ```bash
 public function toTemplate($notifiable)
 {
-    return (new BMailTemplate($this->id))
+    return (new BMailTemplate($this->template_id))
         ->sender("john.doe@gmail.com", "John OPTIONNAL") OPTIONNAL
         ->replyTo("jean.grey@gmail.com", "Jean OPTIONNAL") OPTIONNAL
         ->recipients([
@@ -101,7 +102,13 @@ public function toTemplate($notifiable)
 }
 ```
 
-Finally, from your controller, send a notification for a user : 
+Finally, get the template's id :
+
+```bash
+Go to https://bluescale.email, Templates tab, click on the template you want to use and copy the template identifier.
+```
+
+And from your controller, send a notification for a user : 
 
 ```bash
 User::find('user_id')->notify(new BMailNotification('template_id'));
diff --git a/src/BMailTemplate.php b/src/BMailTemplate.php
index 9ca6542..1bed43f 100644
--- a/src/BMailTemplate.php
+++ b/src/BMailTemplate.php
@@ -7,7 +7,7 @@ class BMailTemplate implements \JsonSerializable
     /**
      * The template for the message
      *
-     * @var integer
+     * @var string
      */
     public $template;
 
@@ -39,7 +39,7 @@ class BMailTemplate implements \JsonSerializable
      */
     public $parameters = [];
 
-    public function __construct(int $template)
+    public function __construct(string $template)
     {
         $this->template = $template;
     }