Update README.rst

ladyada · web-flow · commit bf8af40b61e1 · 2020-06-01T22:11:06.000-04:00
diff --git a/README.rst b/README.rst
@@ -17,7 +17,7 @@ Introduction
     :target: https://github.com/psf/black
     :alt: Code Style: Black
 
-CircuitPython driver for the Adafruit AHT10 Humidity and Temperature Sensor
+CircuitPython driver for the Adafruit AHT10 or AHT20 Humidity and Temperature Sensor
 
 
 Dependencies
