diff --git a/examples/hts221_simpletest.py b/examples/hts221_simpletest.py
index d34e64f..d0c33a4 100644
--- a/examples/hts221_simpletest.py
+++ b/examples/hts221_simpletest.py
@@ -5,7 +5,8 @@
 import board
 import adafruit_hts221
 
-i2c = board.I2C()
+i2c = board.I2C()  # uses board.SCL and board.SDA
+# i2c = board.STEMMA_I2C()  # For using the built-in STEMMA QT connector on a microcontroller
 hts = adafruit_hts221.HTS221(i2c)
 
 data_rate = adafruit_hts221.Rate.label[hts.data_rate]