diff --git a/examples/mlx90640_camtest.py b/examples/mlx90640_camtest.py
index 0d78fa1..e1e851c 100644
--- a/examples/mlx90640_camtest.py
+++ b/examples/mlx90640_camtest.py
@@ -14,7 +14,7 @@
 
 INTERPOLATE = 10
 
-# MUST et I2C freq to 1MHz in /boot/config.txt
+# MUST set I2C freq to 1MHz in /boot/config.txt
 i2c = busio.I2C(board.SCL, board.SDA)
 
 #low range of the sensor (this will be black on the screen)