diff --git a/notifications.md b/notifications.md
index 69a90883b1e..f0c59ffe57a 100644
--- a/notifications.md
+++ b/notifications.md
@@ -254,9 +254,10 @@ When sending notifications via the `mail` channel, the notification system will
         /**
          * Route notifications for the mail channel.
          *
+         * @param  \Illuminate\Notifications\Notification  $notification
          * @return string
          */
-        public function routeNotificationForMail()
+        public function routeNotificationForMail($notification)
         {
             return $this->email_address;
         }
@@ -622,9 +623,10 @@ When sending notifications via the `nexmo` channel, the notification system will
         /**
          * Route notifications for the Nexmo channel.
          *
+         * @param  \Illuminate\Notifications\Notification  $notification
          * @return string
          */
-        public function routeNotificationForNexmo()
+        public function routeNotificationForNexmo($notification)
         {
             return $this->phone;
         }
@@ -798,9 +800,10 @@ To route Slack notifications to the proper location, define a `routeNotification
         /**
          * Route notifications for the Slack channel.
          *
+         * @param  \Illuminate\Notifications\Notification  $notification
          * @return string
          */
-        public function routeNotificationForSlack()
+        public function routeNotificationForSlack($notification)
         {
             return $this->slack_webhook_url;
         }