diff --git a/share/man/man4/bio.4 b/share/man/man4/bio.4
index 33cf441a38b7..b75efee2cd00 100644
--- a/share/man/man4/bio.4
+++ b/share/man/man4/bio.4
@@ -1,4 +1,4 @@
-.\"	$NetBSD: bio.4,v 1.7 2008/05/25 20:09:55 mhitch Exp $
+.\"	$NetBSD: bio.4,v 1.8 2008/05/25 20:57:48 wiz Exp $
 .\"	$OpenBSD: bio.4,v 1.19 2006/09/20 22:22:37 jmc Exp $
 .\"
 .\" Copyright (c) 2002 Niklas Hallqvist
@@ -28,7 +28,7 @@
 .\" ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 .\" POSSIBILITY OF SUCH DAMAGE.
 .\"
-.Dd March 16, 2008
+.Dd May 25, 2008
 .Dt BIO 4
 .Os
 .Sh NAME
@@ -82,11 +82,11 @@ Retrieve number of volumes and physical disks for a specific device.
 .It Dv BIOCDISK
 Retrieve detailed information for the specified physical disk.
 Information returned can include status, size, channel, target, lun,
-vendor name, serial number and processor device (ses or safte).
+vendor name, serial number, and processor device (ses or safte).
 .It Dv BIOCDISK_NOVOL
-It's just the same than
+Is just the same as
 .Em BIOCDISK
-but this doesn't require the disks to be in volume sets, so this
+but doesn't require the disks to be in volume sets, so this
 applies to any physical disk connected to the controller.
 .Pp
 Note: this ioctl might not be supported on all hardware.
@@ -140,7 +140,7 @@ The
 driver was written by
 .An Niklas Hallqvist Aq niklas@openbsd.org .
 The API was written by
-.An Marco Peereboom Aq marco@openbsd.org 
+.An Marco Peereboom Aq marco@openbsd.org
 and was extended even more for
 .Nx
 by