diff --git a/Documentation/hwmon/sysfs-interface b/Documentation/hwmon/sysfs-interface
index d131a56..b3a9e1b 100644
--- a/Documentation/hwmon/sysfs-interface
+++ b/Documentation/hwmon/sysfs-interface
@@ -172,11 +172,10 @@
 		255 is max or 100%.
 
 pwm[1-*]_enable
-		Switch PWM on and off.
-		Not always present even if pwmN is.
-		0: turn off
-		1: turn on in manual mode
-		2+: turn on in automatic mode
+		Fan speed control method:
+		0: no fan speed control (i.e. fan at full speed)
+		1: manual fan speed control enabled (using pwm[1-*])
+		2+: automatic fan speed control enabled
 		Check individual chip documentation files for automatic mode
 		details.
 		RW