diff --git a/doc/fancontrol.txt b/doc/fancontrol.txt
index f4eb3436..c6cdf1db 100644
--- a/doc/fancontrol.txt
+++ b/doc/fancontrol.txt
@@ -39,6 +39,11 @@ FCTEMPS
 	temperature sensors should be used for calculation of new values for
 	the corresponding pwm outputs.
 
+FCFANS
+	FCFANS records the association between a pwm and a fan.
+	Then fancontrol can check the fan speed and restart it if it
+	stops unexpectedly.
+
 MINTEMP
 	The temperature at which the fan gets switched off completely.