diff --git a/examples/vcnl4040_simpletest.py b/examples/vcnl4040_simpletest.py
index 373003b..d420f9e 100644
--- a/examples/vcnl4040_simpletest.py
+++ b/examples/vcnl4040_simpletest.py
@@ -5,7 +5,8 @@
 import board
 import adafruit_vcnl4040
 
-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_vcnl4040.VCNL4040(i2c)
 
 while True: