diff --git a/drivers/timers/pwm.c b/drivers/timers/pwm.c
index 0b2f02e6ac..8652e3ff84 100644
--- a/drivers/timers/pwm.c
+++ b/drivers/timers/pwm.c
@@ -629,7 +629,7 @@ int pwm_register(FAR const char *path, FAR struct pwm_lowerhalf_s *dev)
  *   1. The upper half driver calls the start method, providing the lower
  *      half driver with the pulse train characteristics.  If a fixed
  *      number of pulses is required, the 'count' value will be nonzero.
- *   2. The lower half driver's start() methoc must verify that it can
+ *   2. The lower half driver's start() method must verify that it can
  *      support the request pulse train (frequency, duty, AND pulse count).
  *      If it cannot, it should return an error.  If the pulse count is
  *      non-zero, it should set up the hardware for that number of pulses