diff --git a/README.md b/README.md
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--- a/README.md
+++ b/README.md
@@ -4,7 +4,7 @@
 
 Script to automate control of an home reverse cycle aircon system based on custom logic and temperature measurements.
 
-This was originally written for an [AdvantageAir](https://www.advantageair.com.au/) system.   It just calls an external script to interface with the aircon, so should be easily adaptable to other systems.
+This was originally written for an [AdvantageAir](https://www.advantageair.com.au/) system.   It just uses the myair API to interface with the aircon, so should be easily adaptable to other systems.
 
 It can also log to an influxdb database for easy integration into Grafana or similar.