[PATCH] utmp.5: Oxford comma

[Alejandro Colomar <alx.manpages@gmail.com>]

Found using:
$ grep -rn '\\f., [^ ]*\\f. and' man?

I also updated the markup in that paragraph: \f -> .

Signed-off-by: Alejandro Colomar <alx.manpages@gmail.com>
---
 man5/utmp.5 | 15 ++++++++++++---
 1 file changed, 12 insertions(+), 3 deletions(-)

diff --git a/man5/utmp.5 b/man5/utmp.5
index 3b8340858..3b8afc199 100644
--- a/man5/utmp.5
+++ b/man5/utmp.5
@@ -176,9 +176,18 @@ records may be located by
 .PP
 When
 .BR init (1)
-finds that a process has exited, it locates its utmp
-entry by \fIut_pid\fP, sets \fIut_type\fP to \fBDEAD_PROCESS\fP, and
-clears \fIut_user\fP, \fIut_host\fP and \fIut_time\fP with null bytes.
+finds that a process has exited, it locates its utmp entry by
+.IR ut_pid ,
+sets
+.I ut_type
+to
+.BR DEAD_PROCESS ,
+and clears
+.IR ut_user ,
+.IR ut_host ,
+and
+.I ut_time
+with null bytes.
 .PP
 .BR xterm (1)
 and other terminal emulators directly create a
-- 
2.29.2