diff --git a/sbin/gconcat/gconcat.8 b/sbin/gconcat/gconcat.8
index f3df0fe7372..06665d08d28 100644
--- a/sbin/gconcat/gconcat.8
+++ b/sbin/gconcat/gconcat.8
@@ -32,30 +32,30 @@
 .Nd "disk concatenation control utility"
 .Sh SYNOPSIS
 .Nm
-.Ar create
+.Cm create
 .Op Fl v
 .Ar name
 .Ar dev1
 .Ar dev2
 .Op Ar dev3 Op Ar ...
 .Nm
-.Ar label
+.Cm label
 .Op Fl v
 .Ar name
 .Ar dev1
 .Ar dev2
 .Op Ar dev3 Op Ar ...
 .Nm
-.Ar destroy
+.Cm destroy
 .Op Fl fv
 .Ar name
 .Nm
-.Ar clear
+.Cm clear
 .Op Fl v
 .Ar dev1
 .Op Ar dev2 Op Ar ...
 .Nm
-.Ar list
+.Cm list
 .Sh DESCRIPTION
 The
 .Nm
@@ -66,19 +66,19 @@ or
 .Dq automatic .
 When using the
 .Dq manual
-method no metadata are stored on the devices, so the concatenated
+method, no metadata are stored on the devices, so the concatenated
 device has to be configured by hand every time it is needed.
 The
 .Dq automatic
-method use on\-disk metadata to detect devices.
-Once devices are labeled they will be automatically detected and
+method use on-disk metadata to detect devices.
+Once devices are labeled, they will be automatically detected and
 configured.
 .Pp
 The first argument to
 .Nm
-indicate an action to be performed:
-.Bl -tag -width ".Ar destroy"
-.It Ar create
+indicates an action to be performed:
+.Bl -tag -width ".Cm destroy"
+.It Cm create
 Concatenate the given devices with specified
 .Ar name .
 This is the
@@ -87,7 +87,7 @@ method.
 The kernel module
 .Pa geom_concat.ko
 will be loaded if it is not loaded already.
-.It Ar label
+.It Cm label
 Concatenate the given devices with the specified
 .Ar name .
 This is the
@@ -96,26 +96,25 @@ method, where metadata are stored in every device's last sector.
 The kernel module
 .Pa geom_concat.ko
 will be loaded if it is not loaded already.
-.It Ar destroy
+.It Cm destroy
 Turn off existing concatenate device by its
 .Ar name .
-.It Ar clear
-Clear metadata on given device(s).
-.It Ar list
-List currently configured device(s).
+.It Cm clear
+Clear metadata on given devices.
+.It Cm list
+List currently configured devices.
 .El
 .Pp
 Additional options:
-.Bl -tag -width ".Fl f"
+.Bl -tag -width indent
 .It Fl f
-Force removal of specified concatenated device.
+Force the removal of the specified concatenated device.
 .It Fl v
 Be more verbose.
 .El
 .Sh EXAMPLES
-The following example show how to configure four disks for automatic
+The following example shows how to configure four disks for automatic
 concatenation, create file system on it, and mount it:
-.Pp
 .Bd -literal -offset indent
 gconcat label -v data /dev/da0 /dev/da1 /dev/da2 /dev/da3
 newfs /dev/data.concat
@@ -129,11 +128,7 @@ Exit status is 0 on success, and 1 if the command fails.
 .Xr newfs 8 ,
 .Xr vinum 8
 .Sh AUTHORS
-.An -split
-The
-.Nm
-utility as well as this manual page was written by
-.An Pawel Jakub Dawidek Aq pjd@FreeBSD.org .
+.An Pawel Jakub Dawidek Aq pjd@FreeBSD.org
 .Sh HISTORY
 The
 .Nm