diff --git a/usr.sbin/jail/jail.8 b/usr.sbin/jail/jail.8
index 6b26225c79f..0c14217b804 100644
--- a/usr.sbin/jail/jail.8
+++ b/usr.sbin/jail/jail.8
@@ -33,7 +33,7 @@
 .\"
 .\" $FreeBSD$
 .\"
-.Dd May 3, 2006
+.Dd May 8, 2006
 .Dt JAIL 8
 .Os
 .Sh NAME
@@ -545,6 +545,14 @@ The read-only
 variable can be used to determine if a process is running inside a jail (value
 is one) or not (value is zero).
 .Pp
+The
+.Va security.jail.list 
+MIB entry is read-only and it returns an array of struct xprison defined in
+.In sys/jail.h .
+It is recommended to use the
+.Xr jls 8
+utility to see current active list of jails.
+.Pp
 There are currently two MIB related variables that have per-jail settings.
 Changes to these variables by a jailed process do not effect the host
 environment, only the jail environment.