diff --git a/share/man/man4/atrtc.4 b/share/man/man4/atrtc.4
--- a/share/man/man4/atrtc.4
+++ b/share/man/man4/atrtc.4
@@ -24,7 +24,7 @@
 .\"
 .\" $FreeBSD$
 .\"
-.Dd September 17, 2010
+.Dd December 15, 2022
 .Dt ATRTC 4
 .Os
 .Sh NAME
@@ -40,7 +40,7 @@
 controls event timers functionality support.
 Setting to 0, disables it.
 Default value is 1.
-.It Va hw.atrtc.enable
+.It Va hw.atrtc.enabled
 Forces enabling or disabling of the device(s).
 Setting to 0 disables it, setting to 1 enables it, bypassing any platform
 configuration hints.