Added fixes for typical confusion hyphen <-> minus sign.
Index: vblade-20/vblade.8
===================================================================
--- vblade-20.orig/vblade.8
+++ vblade-20/vblade.8
@@ -35,24 +35,24 @@ The name of the regular file or block de
 .SS Options
 .TP
 \fB-b\fP
-The -b flag takes an argument, the advertised buffer count, specifying
+The \-b flag takes an argument, the advertised buffer count, specifying
 the maximum number of outstanding messages the server can queue for
 processing.
 .TP
 \fB-d\fP
-The -d flag selects O_DIRECT mode for accessing the underlying block
+The \-d flag selects O_DIRECT mode for accessing the underlying block
 device.
 .TP
 \fB-s\fP
-The -s flag selects O_SYNC mode for accessing the underlying block
+The \-s flag selects O_SYNC mode for accessing the underlying block
 device, so all writes are committed to disk before returning to the
 client.
 .TP
 \fB-r\fP
-The -r flag restricts the export of the device to be read-only.
+The \-r flag restricts the export of the device to be read-only.
 .TP
 \fB-m\fP
-The -m flag takes an argument, a comma separated list of MAC addresses
+The \-m flag takes an argument, a comma separated list of MAC addresses
 permitted access to the vblade.  A MAC address can be specified in upper
 or lower case, with or without colons.
 .SH EXAMPLE