diff --git a/config/example.cfg b/config/example.cfg
index a692a6f6..fb5a716e 100644
--- a/config/example.cfg
+++ b/config/example.cfg
@@ -244,10 +244,12 @@ 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. 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.
+#   Enable this to use hardware PWM instead of software PWM. Most fans
+#   do not work well with hardware PWM, so it is not recommended to
+#   enable this unless there is an electrical requirement to switch at
+#   very high speeds. 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.