ovsdb-server.1: Fix mention of wrong option.
The man page referenced a "--no-sync" option.  The correct option is
"--active".
Acked-by: Ben Pfaff
@@ -47,7 +47,7 @@ reset, requiring clients to reconnect to the server.
.PP
By default, \fBovsdb\-server\fR runs as an active server, except when the
\fB\-\-sync\-from=\fIserver\fR command line option is specified and without
-the \fB\-\-no\-sync option\fR. During runtime, \fBovsdb\-server\fR role can be switch by using appctl commands.
+the \fB\-\-active\fR option. During runtime, \fBovsdb\-server\fR role can be switch by using appctl commands.
.PP
\fBovsdb-server/connect\-active\-ovsdb\-server\fR switches
\fBovsdb\-server\fR into a backup server, Conversely,
