doc: mention mbop global -v option

References: GXH-145, GXL-427

Author: jengelh

doc/gromox-mbop.8

@@ -19,6 +19,9 @@ Lookup the mailbox parameters from the associated filesystem location.
 Lookup the mailbox parameters by the associated username. (To access a public
 store of a domain, leave out the local part, i.e. use
 \fB@\fP\fIexample.com\fP.)
+.TP
+\fB\-v\fP
+Increase verbosity.
 .SH Commands
 .IP \(bu 4
 \fB(\fP command1 c1args \fB) (\fP command2 c2args \fB)\fP: command