Merge pull request #9 from abhimanyu003/patch-1

Update README.md

Author: mpociot

README.md

@@ -112,7 +112,7 @@ public function routeNotificationForOneSignal()
 - `url('')`: Accepts an url for the notification click event.
 - `webButton(OneSignalWebButton $button)`: Allows you to add action buttons to the notification (Chrome 48+ (web push) only).
 - `button(OneSignalButton $button)`: Allows you to add buttons to the notification (Supported by iOS 8.0 and Android 4.1+ devices. Icon only works for Android).
-- `setData($key, $value)`: Allows you to set additional data for the message payload. For more information check the [OneSignal documentation](https://documentation.onesignal.com/docs/notifications-create-notification).
+- `setData($key, $value)`: Allows you to set additional data for the message payload. For more information check the [OneSignal documentation](https://documentation.onesignal.com/reference).
 
 ### Button usage