Markup nits.

usr.sbin/bluetooth/bcmfw/bcmfw.8

@@ -52,10 +52,12 @@ The vendor ID should be 0x0a5c
 and the product ID should be 0x2033.
 .Pp
 Due to copyright issues I will no longer provide mini-driver and firmware
-files for the device. These files can be obtained from the Linux BlueZ BlueFW
-package.
+files for the device.
+These files can be obtained from the Linux BlueZ BlueFW package.
 .Pp
-Visit http://bluez.sourceforge.net/download/download.html for details.
+Visit
+.Pa http://bluez.sourceforge.net/download/download.html
+for details.
 .Pp
 I am using the following files:
 .Pp

usr.sbin/cron/crontab/crontab.1

@@ -70,7 +70,7 @@ and so can be used for comments.
 .Pp
 The first form of this command is used to install a new crontab from some
 named file or standard input if the pseudo-filename
-.Dq -
+.Sq Fl
 is given.
 .Pp
 The following options are available:
@@ -129,7 +129,7 @@ with the exception that the dangerous variant of calling
 without a file name in the first form of the command is not allowed by
 this implementation.
 The pseudo-filename
-.Dq -
+.Sq Fl
 must be specified to read from standard input.
 The new command syntax
 differs from previous versions of Vixie Cron, as well as from the classic

usr.sbin/gstat/gstat.8

@@ -32,8 +32,7 @@
 .Nd print statistics about GEOM disks
 .Sh SYNOPSIS
 .Nm
-.Op Fl c
-.Op Fl d
+.Op Fl cd
 .Op Fl I Ar interval
 .Sh DESCRIPTION
 The
@@ -52,7 +51,9 @@ The default is to show statistics only for
 .Xr geom 4
 producers.
 .It Fl d
-Enable display of statistics for delete (BIO_DELETE) operations.
+Enable display of statistics for delete
+.Pq Dv BIO_DELETE
+operations.
 .It Fl I Ar interval
 Refresh the
 .Nm

usr.sbin/mountd/mountd.8

@@ -82,9 +82,9 @@ controls if the kernel will accept NFS requests from reserved ports only.
 Force
 .Nm
 to bind to the specified port, for both
-.Vt AF_INET
+.Dv AF_INET
 and
-.Vt AF_INET6
+.Dv AF_INET6
 address families.
 This is typically done to ensure that the port which
 .Nm