Whitespace nits, improve wording.

usr.sbin/sti/sti.8

@@ -1,4 +1,4 @@
-.\" $NetBSD: sti.8,v 1.3 2005/11/10 19:07:03 christos Exp $
+.\" $NetBSD: sti.8,v 1.4 2005/11/10 21:17:18 wiz Exp $
 .\"
 .\" Copyright (c) 2005 The NetBSD Foundation, Inc.
 .\" All rights reserved.
@@ -39,7 +39,7 @@
 .Os
 .Sh NAME
 .Nm sti
-.Nd Simulate Terminal Input: send characters to a tty device.
+.Nd Simulate Terminal Input: send characters to a tty device
 .Sh SYNOPSIS
 .Nm
 .Ar tty
@@ -53,10 +53,10 @@ to the
 specified in the command line using
 .Xr ioctl 2
 .Dv TIOCSTI ,
-or the standard input if a
+or send the standard input if a
 .Ar string
 is not supplied.
-This 
+This
 .Xr ioctl 2
 is limited to the superuser.
 .Pp
@@ -65,8 +65,8 @@ The
 is interpreted using
 .Xr unvis 3 .
 .Sh SEE ALSO
-.Xr ioctl 2 , 
-.Xr unvis 3 
+.Xr ioctl 2 ,
+.Xr unvis 3
 .Sh HISTORY
 The
 .Nm