diff --git a/usr.sbin/jail/jail.8 b/usr.sbin/jail/jail.8
index 4e7ee42bac60..a38d75143b06 100644
--- a/usr.sbin/jail/jail.8
+++ b/usr.sbin/jail/jail.8
@@ -25,7 +25,7 @@
 .\"
 .\" $FreeBSD$
 .\"
-.Dd April 26, 2012
+.Dd May 23, 2012
 .Dt JAIL 8
 .Os
 .Sh NAME
@@ -1183,7 +1183,7 @@ utility appeared in
 Hierarchical/extensible jails were introduced in
 .Fx 8.0 .
 The configuration file was introduced in
-.Fx 10.0 .
+.Fx 9.1 .
 .Sh AUTHORS
 .An -nosplit
 The jail feature was written by
diff --git a/usr.sbin/jail/jail.conf.5 b/usr.sbin/jail/jail.conf.5
index fc5ecf1962be..7c80d229d06b 100644
--- a/usr.sbin/jail/jail.conf.5
+++ b/usr.sbin/jail/jail.conf.5
@@ -24,7 +24,7 @@
 .\"
 .\" $FreeBSD$
 .\"
-.Dd April 26, 2012
+.Dd May 23, 2012
 .Dt JAIL.CONF 5
 .Os
 .Sh NAME
@@ -217,7 +217,7 @@ utility appeared in
 The
 .Nm
 file was added in
-.Fx 10.0 .
+.Fx 9.1 .
 .Sh AUTHORS
 .An -nosplit
 The jail feature was written by