Fix the references and -offset indent.

lib/libc/db/man/hash.3

@@ -1,4 +1,4 @@
-.\"	$NetBSD: hash.3,v 1.13 2010/03/22 19:30:53 joerg Exp $
+.\"	$NetBSD: hash.3,v 1.14 2010/12/16 11:57:20 jruoho Exp $
 .\"
 .\" Copyright (c) 1990, 1993
 .\"	The Regents of the University of California.  All rights reserved.
@@ -29,7 +29,7 @@
 .\"
 .\"	@(#)hash.3	8.6 (Berkeley) 8/18/94
 .\"
-.Dd September 5, 2008
+.Dd December 16, 2010
 .Dt HASH 3
 .Os
 .Sh NAME
@@ -53,8 +53,8 @@ The access method specific data structure provided to
 .Fn dbopen
 is defined in the
 .In db.h
-include file as follows:
-.Bd -literal
+header as follows:
+.Bd -literal -offset indent
 typedef struct {
 	u_int bsize;
 	u_int ffactor;
@@ -152,16 +152,21 @@ for any of the errors specified for the library routine
 .Xr recno 3
 .Pp
 .Rs
-.%T "Dynamic Hash Tables"
+.%T Dynamic Hash Tables
 .%A Per-Ake Larson
 .%J Communications of the ACM
 .%D April 1988
+.%N Issue 4
+.%V Volume 31
 .Re
 .Rs
-.%T "A New Hash Package for UNIX"
+.%T A New Hash Package for UNIX
 .%A Margo Seltzer
-.%J USENIX Proceedings
-.%D Winter 1991
+.%I USENIX Association
+.%B Proceedings of the 1991 Winter USENIX Technical Conference
+.%D January 1991
+.%P 173-184
+.%U http://www.usenix.org/publications/library/proceedings/seltzer2.pdf
 .Re
 .Sh BUGS
 Only big and little endian byte order is supported.