diff --git a/share/man/man9/buffercache.9 b/share/man/man9/buffercache.9
index 82c6aeabc7b8..d7faab136f74 100644
--- a/share/man/man9/buffercache.9
+++ b/share/man/man9/buffercache.9
@@ -1,4 +1,4 @@
-.\"     $NetBSD: buffercache.9,v 1.18 2005/11/30 16:01:26 yamt Exp $
+.\"     $NetBSD: buffercache.9,v 1.19 2006/01/16 22:26:41 yamt Exp $
 .\"
 .\" Copyright (c)2003 YAMAMOTO Takashi,
 .\" All rights reserved.
@@ -101,7 +101,7 @@
 .\"
 .\"
 .\" ------------------------------------------------------------
-.Dd December 1, 2005
+.Dd January 17, 2006
 .Dt BUFFERCACHE 9
 .Os
 .Sh NAME
@@ -372,3 +372,11 @@ In the current implementation,
 .Fn bread
 and its variants
 don't use a specified credential.
+.Pp
+Because
+.Fn biodone
+and
+.Fn biowait
+do not really belong to
+.Nm ,
+they shouldn't be documented here.