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-rw-r--r--config/example.cfg6
1 files changed, 4 insertions, 2 deletions
diff --git a/config/example.cfg b/config/example.cfg
index f0e77e50..3468caeb 100644
--- a/config/example.cfg
+++ b/config/example.cfg
@@ -242,8 +242,10 @@ pin: ar9
# fan. It is recommended this be 10 milliseconds or greater when
# using software based PWM. The default is 0.010 seconds.
#hardware_pwm: False
-# Enable this to use hardware PWM instead of software PWM. The
-# default is False.
+# Enable this to use hardware PWM instead of software PWM. When
+# using hardware PWM the actual cycle time is constrained by the
+# implementation and may be significantly different than the
+# requested cycle_time. The default is False.
#kick_start_time: 0.100
# Time (in seconds) to run the fan at full speed when first enabling
# it (helps get the fan spinning). The default is 0.100 seconds.