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-rw-r--r--tests/extmod_hardware/machine_pwm.py2
1 files changed, 1 insertions, 1 deletions
diff --git a/tests/extmod_hardware/machine_pwm.py b/tests/extmod_hardware/machine_pwm.py
index 014030be5..e27da3254 100644
--- a/tests/extmod_hardware/machine_pwm.py
+++ b/tests/extmod_hardware/machine_pwm.py
@@ -1,4 +1,4 @@
-# Test machine.PWM, frequncy and duty cycle (using machine.time_pulse_us).
+# Test machine.PWM, frequency and duty cycle (using machine.time_pulse_us).
#
# IMPORTANT: This test requires hardware connections: the PWM-output and pulse-input
# pins must be wired together (see the variable `pwm_pulse_pins`).