Update helium_hotspot_registration.md

Fix

Author: Xykon

content/gettingstarted/registration/lora/helium_hotspot_registration.md

@@ -17,6 +17,7 @@ Installing a LoRa Hotspot means you are rewarded in HNT crypto coins as soon as
 Download and install the Pycom Helium App from the [https://apps.apple.com/us/app/pycom-helium-app/id1630652083](Apple App Store).
 
 For the Android Version, please download the app from [https://software.pycom.io/downloads/pycom-helium.apk](pycom-helium.apk)
+> Hint: Please enable Location & Nearby Devices permissions in app settings.
 
  * Create an account or log in to your existing account
  * Click +Add Hotspot