[src/trunk]: src/lib/libc/sys Add missing word. More markup.

[wiz <wiz%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/db7be51966d3
branches:  trunk
changeset: 459381:db7be51966d3
user:      wiz <wiz%NetBSD.org@localhost>
date:      Sat Sep 07 19:32:11 2019 +0000

description:
Add missing word. More markup.

diffstat:

 lib/libc/sys/brk.2 |  15 +++++++++++----
 1 files changed, 11 insertions(+), 4 deletions(-)

diffs (30 lines):

diff -r ac706360893a -r db7be51966d3 lib/libc/sys/brk.2
--- a/lib/libc/sys/brk.2        Sat Sep 07 19:30:39 2019 +0000
+++ b/lib/libc/sys/brk.2        Sat Sep 07 19:32:11 2019 +0000
@@ -1,4 +1,4 @@
-.\"    $NetBSD: brk.2,v 1.38 2019/09/07 19:30:39 wiz Exp $
+.\"    $NetBSD: brk.2,v 1.39 2019/09/07 19:32:11 wiz Exp $
 .\"
 .\" Copyright (c) 1980, 1991, 1993
 .\"    The Regents of the University of California.  All rights reserved.
@@ -46,10 +46,17 @@
 .Fn sbrk "intptr_t incr"
 .Sh DESCRIPTION
 .Bf -symbolic
-The brk and sbrk functions are legacy interfaces from before the
+The
+.Fn brk
+and
+.Fn sbrk
+functions are legacy interfaces from before the
 advent of modern virtual memory management.
-brk is subject to removal and sbrk is destined for full compat, where the
-system call will exist in the kernel, but no longer exposed.
+.Fn brk
+is subject to removal and
+.Fn sbrk
+is destined for full compat, where the
+system call will exist in the kernel, but no longer be exposed.
 .Ef
 .Pp
 The