Mention the word "regular file" more clearly.

The term "append-only" directory was misleading.

share/man/man7/sticky.7

@@ -1,4 +1,4 @@
-.\"	$NetBSD: sticky.7,v 1.4 2004/01/30 16:14:37 wiz Exp $
+.\"	$NetBSD: sticky.7,v 1.5 2007/02/05 14:54:31 rillig Exp $
 .\"
 .\" Copyright (c) 1980, 1991, 1993
 .\"	The Regents of the University of California.  All rights reserved.
@@ -29,7 +29,7 @@
 .\"
 .\"     @(#)sticky.8	8.1 (Berkeley) 6/5/93
 .\"
-.Dd January 30, 2004
+.Dd February 5, 2007
 .Dt STICKY 7
 .Os
 .Sh NAME
@@ -46,16 +46,16 @@ See
 or the file
 .Pa /usr/include/sys/stat.h
 .Sh STICKY FILES
-The use of mode
+For regular files, the use of mode
 .Dv S_ISVTX
 is reserved and can be set only by the super-user.
 .Nx
-does not currently treat plain files that have the sticky bit set
+does not currently treat regular files that have the sticky bit set
 specially, but this behavior might change in the future.
 .Sh STICKY DIRECTORIES
 A directory whose
 .Dq sticky bit
-is set becomes an append-only directory, or, more accurately, a
+is set becomes a
 directory in which the deletion of files is restricted.
 A file in a sticky directory may only be removed or renamed
 by a user if the user has write permission for the directory and