FIO Windows update

Signed-off-by: Jens Axboe <jaxboe@fusionio.com>
diff --git a/HOWTO b/HOWTO
index 3b1eeb0..35dccfb 100644
--- a/HOWTO
+++ b/HOWTO
@@ -272,11 +272,11 @@
 		':' colon. So if you wanted a job to open /dev/sda and /dev/sdb
 		as the two working files, you would use
 		filename=/dev/sda:/dev/sdb. On Windows, disk devices are accessed
-		as /dev/sda for the first device (i.e. \Device\HardDisk0\Partition0,
-		/dev/sda1 for the first partition on the first disk etc.  If the 
-		wanted filename does need to include a colon, then escape that with 
-		a '\' character. For instance, if the filename is 
-		"/dev/dsk/foo@3,0:c", then you would use filename="/dev/dsk/foo@3,0\:c". 
+		as \\.\PhysicalDrive0 for the first device, \\.\PhysicalDrive1
+		for the second etc.  If the wanted filename does need to 
+		include a colon, then escape that with a '\' character. 
+		For instance, if the filename is "/dev/dsk/foo@3,0:c", 
+		then you would use filename="/dev/dsk/foo@3,0\:c". 
 		'-' is a reserved name, meaning stdin or stdout. Which of the 
 		two depends on the read/write direction set.