diff --git a/source/_integrations/airthings.markdown b/source/_integrations/airthings.markdown
index 59730db89c7..f8842ee5af9 100644
--- a/source/_integrations/airthings.markdown
+++ b/source/_integrations/airthings.markdown
@@ -21,6 +21,8 @@ Integrates Airthings sensors into Home Assistant.
 
 [Airthings](https://www.airthings.com/) provide different sensors for measuring the air quality. The focus specially on Radon sensors.
 
+While this integration works without an Airthings SmartLink hub, using one will provide live updates to your sensor data. Without a hub, you'll need to rely on the Airthings mobile app to sync data over Bluetooth and upload it to the cloud.
+
 Requires Airthings hardware and a valid Airthings Dashboard login.
 
 ## Prerequisites