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README.md

 openSettings().catch(() => console.warn("cannot open settings");
 ```
 
-### iOS Notes
+## 🍎  iOS Notes
 
 - Permission type `BLUETOOTH_PERIPHERAL` represents the status of the `CBPeripheralManager`.
 - If `notificationOptions` config array is omitted on `NOTIFICATIONS` request, it will request `alert`, `badge` and `sound`.