diff --git a/examples/gps_simpletest.py b/examples/gps_simpletest.py
index cc74222..49b3b1d 100644
--- a/examples/gps_simpletest.py
+++ b/examples/gps_simpletest.py
@@ -15,7 +15,9 @@ import adafruit_gps
 # a slightly higher timeout (GPS modules typically update once a second).
 # These are the defaults you should use for the GPS FeatherWing.
 # For other boards set RX = GPS module TX, and TX = GPS module RX pins.
-uart = busio.UART(board.TX, board.RX, baudrate=9600, timeout=10)
+rx = board.RX  # Change to board.GP4 for Raspberry Pi Pico boards
+tx = board.TX  # Change to board.GP5 for Raspberry Pi Pico boards
+uart = busio.UART(rx, tx, baudrate=9600, timeout=10)
 
 # for a computer, use the pyserial library for uart access
 # import serial