diff --git a/lib/libc/gen/sysctl.3 b/lib/libc/gen/sysctl.3
index 602b559ee37c..d34ecec71b8c 100644
--- a/lib/libc/gen/sysctl.3
+++ b/lib/libc/gen/sysctl.3
@@ -398,6 +398,9 @@ Most architectures define at least the following variables.
 .Bl -column "CONSOLE_DEVICEXXX" "integerXXX" -offset indent
 .It Sy Pa Second level name	Type	Changeable
 .It Li CPU_CONSDEV	dev_t	no
+.It Li CPU_ADJKERNTZ	int	yes
+.It Li CPU_DISRTCSET	int	yes
+.It Li CPU_COLORDISP	int	no
 .El
 .Sh CTL_NET
 The string and integer information available for the CTL_NET level