diff --git a/examples/ssd1305_pillow_demo.py b/examples/ssd1305_pillow_demo.py
index ab2676e..e5e49d6 100644
--- a/examples/ssd1305_pillow_demo.py
+++ b/examples/ssd1305_pillow_demo.py
@@ -31,7 +31,8 @@
 oled = adafruit_ssd1305.SSD1305_SPI(WIDTH, HEIGHT, spi, oled_dc, oled_reset, oled_cs)
 
 # Use for I2C.
-# 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
 # oled = adafruit_ssd1305.SSD1305_I2C(WIDTH, HEIGHT, i2c, addr=0x3c, reset=oled_reset)
 
 # Clear display.