-.\" $OpenBSD: ts.1,v 1.3 2022/06/29 16:06:22 job Exp $
+.\" $OpenBSD: ts.1,v 1.4 2022/06/29 18:57:30 job Exp $
.\"
.\" Copyright (c) 2022 Job Snijders <job@openbsd.org>
.\"
.Op Fl m
.Op Ar format
.Sh DESCRIPTION
-When invoked, the
+The
.Nm
-utility adds a timestamp to the beginning of each line of input.
+utility prepends a timestamp to each line of standard input and writes
+it to standard output.
.Pp
The options are as follows:
.Bl -tag -width Ds