diff --git a/lib/libc/sys/flock.2 b/lib/libc/sys/flock.2
index 5ee93ba0600d..4ad852549c75 100644
--- a/lib/libc/sys/flock.2
+++ b/lib/libc/sys/flock.2
@@ -28,7 +28,7 @@
 .\"     @(#)flock.2	8.2 (Berkeley) 12/11/93
 .\" $FreeBSD$
 .\"
-.Dd December 11, 1993
+.Dd January 22, 2008
 .Dt FLOCK 2
 .Os
 .Sh NAME
@@ -162,6 +162,7 @@ refers to an object that does not support file locking.
 .Xr fcntl 2 ,
 .Xr fork 2 ,
 .Xr open 2 ,
+.Xr flopen 3 ,
 .Xr lockf 3
 .Sh HISTORY
 The