--- /tmp/tunefs..orig.8	Thu Jan 24 13:10:07 2002
+++ /tmp/tunefs.8	Thu Jan 24 14:06:43 2002
@@ -37,7 +37,7 @@
 .Os
 .Sh NAME
 .Nm tunefs
-.Nd tune up an existing file system
+.Nd tune up an existing filesystem
 .Sh SYNOPSIS
 .Nm
 .Op Fl A
@@ -52,16 +52,22 @@
 .Op Fl p
 .Op Fl s Ar avgfpdir
 .Ek
-.Op Ar special | Ar filesystem
+.Ar device-file | mount-point
 .Sh DESCRIPTION
 .Nm Tunefs
-is designed to change the dynamic parameters of a file system
+is designed to change the dynamic parameters of a filesystem
 which affect the layout policies.
-The parameters which are to be changed are indicated by the flags
-given below:
+.Pp
+.Pp
+The filesystem to be tuned is specified by either its device-special file,
+.Ar device-file ,
+or its mount point,
+.Ar mount-point
+(if that is in a standard entry in /etc/fstab).
+The parameters which are to be changed are indicated by these options:
 .Bl -tag -width indent
 .It Fl A
-The file system has several backups of the super-block.  Specifying
+The filesystem has several backups of the super-block.  Specifying
 this option will cause all backups to be modified as well as the
 primary super-block.  This is potentially dangerous - use with caution.
 .It Fl a Ar maxcontig
@@ -92,7 +98,7 @@
 The effect of this limit is to cause big files to do long seeks
 more frequently than if they were allowed to allocate all the blocks
 in a cylinder group before seeking elsewhere.
-For file systems with exclusively large files,
+For filesystems with exclusively large files,
 this parameter should be set higher.
 .It Fl f Ar avgfilezsize
 Specify the expected average file size.
@@ -113,16 +119,16 @@
 Turn on/off soft updates.
 An unmounted filesystem is required.
 .It Fl o Ar space | time
-The file system can either try to minimize the time spent
+The filesystem can either try to minimize the time spent
 allocating blocks, or it can attempt to minimize the space
 fragmentation on the disk.
 Optimization for space has much
 higher overhead for file writes.
 The kernel normally changes the preference automatically as
-the percent fragmentation changes on the file system.
+the percent fragmentation changes on the filesystem.
 .It Fl p
 Show a summary of what the current tunable settings
-are on the selected file system.  More detailed information can be
+are on the selected filesystem.  More detailed information can be
 obtained in the
 .Xr dumpfs 8
 manual page.
@@ -133,7 +139,7 @@
 If
 .Nm
 .Fl n
-is run to enable/disable soft update on an unmounted file system
+is run to enable/disable soft update on an unmounted filesystem
 after booting single-user then
 .Nm
 will output the warning
@@ -167,16 +173,16 @@
 .%O "(reprinted in the BSD System Manager's Manual, SMM:5)"
 .Re
 .Sh BUGS
-This program should work on mounted and active file systems.
+This program should work on mounted and active filesystems.
 Because the super-block is not kept in the buffer cache,
 the changes will only take effect if the program
-is run on dismounted file systems.
-To change the root file system, the system must be rebooted
-after the file system is tuned.
+is run on dismounted filesystems.
+To change the root filesystem, the system must be rebooted
+after the filesystem is tuned.
 .\" Take this out and a Unix Demon will dog your steps from now until
 .\" the time_t's wrap around.
 .Pp
-You can tune a file system, but you can't tune a fish.
+You can tune a filesystem, but you can't tune a fish.
 .Sh HISTORY
 The
 .Nm