diff --git a/examples/vcnl4010_simpletest.py b/examples/vcnl4010_simpletest.py
index 4a73b45..d300b6c 100644
--- a/examples/vcnl4010_simpletest.py
+++ b/examples/vcnl4010_simpletest.py
@@ -8,7 +8,8 @@
 import adafruit_vcnl4010
 
 
-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
 sensor = adafruit_vcnl4010.VCNL4010(i2c)
 
 # You can optionally adjust the sensor LED current.  The default is 200mA