in the SYNOPSIS is not strictly wrong, the conventional way is
to always state the name explicitely in the SYNOPSIS.
With help from Ingo Schwarze
-.\" $OpenBSD: ts.1,v 1.7 2022/07/03 14:12:30 job Exp $
+.\" $OpenBSD: ts.1,v 1.8 2022/07/03 16:55:39 job Exp $
.\"
.\" Copyright (c) 2022 Job Snijders <job@openbsd.org>
.\"
.Nm ts
.Nd timestamp input
.Sh SYNOPSIS
-.Nm
+.Nm ts
.Op Fl i | s
.Op Fl m
.Op Ar format