diff --git a/sbin/sysctl/sysctl.8 b/sbin/sysctl/sysctl.8
index 23ed92c3a97d..643547ba0c0f 100644
--- a/sbin/sysctl/sysctl.8
+++ b/sbin/sysctl/sysctl.8
@@ -134,6 +134,12 @@ purpose programs such as
 and
 .Nm netstat .
 .Pp
+Some of the variables which can not be modified during normal system
+operation can be initialized by setting them from
+.Xr loader 8 .
+This can for example be done by setting the variable in
+.Xr loader.conf 5 .
+.Pp
 The string and integer information is summarized below.
 For a detailed description of these variable see
 .Xr sysctl 3 .
@@ -275,7 +281,9 @@ The
 option has been deprecated and is silently ignored.
 .Sh SEE ALSO
 .Xr sysctl 3 ,
-.Xr sysctl.conf 5
+.Xr loader.conf 5 ,
+.Xr sysctl.conf 5 ,
+.Xr loader 8
 .Sh BUGS
 The
 .Nm