pwm: stm32: Fix a typo

Fix a typo in comments.

Reported-by: Matthew Wilcox <willy@infradead.org>
Signed-off-by: Andrew Kreimer <algonell@gmail.com>
Link: https://lore.kernel.org/r/20240912124944.43284-1-algonell@gmail.com
Signed-off-by: Uwe Kleine-König <ukleinek@kernel.org>

drivers/pwm/pwm-stm32.c

@@ -222,7 +222,7 @@ static int stm32_pwm_capture(struct pwm_chip *chip, struct pwm_device *pwm,
 
 		scale = max_arr / min(max_arr, raw_prd);
 	} else {
-		scale = priv->max_arr; /* bellow resolution, use max scale */
+		scale = priv->max_arr; /* below resolution, use max scale */
 	}
 
 	if (psc && scale > 1) {