diff --git a/man/man8/fsck.zfs.8 b/man/man8/fsck.zfs.8
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+++ b/man/man8/fsck.zfs.8
@@ -1,4 +1,3 @@
-'\" t
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 .\" CDDL HEADER START
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@@ -19,53 +18,56 @@
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-.\"
 .\" Copyright 2013 Darik Horn <dajhorn@vanadac.com>. All rights reserved.
 .\"
-.TH FSCK.ZFS 8 "Mar 27, 2021" OpenZFS
-
-.SH NAME
-fsck.zfs \- Dummy ZFS filesystem checker.
-
-.SH SYNOPSIS
-.LP
-.BI "fsck.zfs [" "options" "] <" "dataset" ">…"
-
-.SH DESCRIPTION
-.LP
-\fBfsck.zfs\fR is a thin shell wrapper that at most checks the status of a
-dataset's container pool. It is installed by OpenZFS because some Linux
+.Dd May 26, 2021
+.Dt FSCK.ZFS 8
+.Os
+.
+.Sh NAME
+.Nm fsck.zfs
+.Nd dummy ZFS filesystem checker
+.Sh SYNOPSIS
+.Nm
+.Op Ar options
+.Ar dataset Ns No …
+.
+.Sh DESCRIPTION
+.Nm
+is a thin shell wrapper that at most checks the status of a dataset's container pool.
+It is installed by OpenZFS because some Linux
 distributions expect a fsck helper for all filesystems.
-.LP
-If more than one \fIdataset\fR is specified, each is checked in turn
-and results binary ored.
-
-.SH OPTIONS
-.HP
-All \fIoptions\fR are ignored.
-
-.SH "NOTES"
-.LP
-ZFS datasets are checked by running \fBzpool scrub\fR on the
-containing pool. An individual ZFS dataset is never checked
-independently of its pool, which is unlike a regular filesystem.
-
-.LP
+.Pp
+If more than one
+.Ar dataset
+is specified, each is checked in turn and the results binary-ored.
+.
+.Sh OPTIONS
+Ignored.
+.
+.Sh NOTES
+ZFS datasets are checked by running
+.Nm zpool Cm scrub
+on the containing pool.
+An individual ZFS dataset is never checked independently of its pool,
+which is unlike a regular filesystem.
+.Pp
 However, the
-.BR fsck (8)
-interface still allows it to communicate some errors:
-if the \fIdataset\fR is in a degraded pool, then \fBfsck.zfs\fR will
-return exit code 4 to indicate an uncorrected filesystem error.
-.LP
-Similarly, if the \fIdataset\fR is in a faulted pool and has a legacy
-/etc/fstab record, then \fBfsck.zfs\fR will return exit code 8 to
-indicate a fatal operational error.
-
-.SH "AUTHORS"
-.LP
-Darik Horn <dajhorn@vanadac.com>.
-
-.SH "SEE ALSO"
-.BR fsck (8),
-.BR fstab (5),
-.BR zpool-scrub (8)
+.Xr fsck 8
+interface still allows it to communicate some errors: if the
+.Ar dataset
+is in a degraded pool, then
+.Nm
+will return exit code 4 to indicate an uncorrected filesystem error.
+.Pp
+Similarly, if the
+.Ar dataset
+is in a faulted pool and has a legacy
+.Pa /etc/fstab
+record, then
+.Nm
+will return exit code 8 to indicate a fatal operational error.
+.Sh SEE ALSO
+.Xr fstab 5 ,
+.Xr fsck 8 ,
+.Xr zpool-scrub 8