diff --git a/Documentation/devicetree/bindings/hwmon/gpio-fan.txt b/Documentation/devicetree/bindings/hwmon/gpio-fan.txt
index 439a7430fc6827e15b79811b8cfcc176fed205f7..2becdcfdc840c60e6d02ffe0f3893c00eb80321d 100644
--- a/Documentation/devicetree/bindings/hwmon/gpio-fan.txt
+++ b/Documentation/devicetree/bindings/hwmon/gpio-fan.txt
@@ -11,7 +11,7 @@ Optional properties:
   must have the RPM values in ascending order.
 - alarm-gpios: This pin going active indicates something is wrong with
   the fan, and a udev event will be fired.
-- cooling-cells: If used as a cooling device, must be <2>
+- #cooling-cells: If used as a cooling device, must be <2>
   Also see: Documentation/devicetree/bindings/thermal/thermal.txt
   min and max states are derived from the speed-map of the fan.