qnetd: Fix double -d description

Signed-off-by: Jan Friesse <jfriesse@redhat.com>

(cherry picked from corosync-qdevice project commit
 f78fd81e8d182c5f1d2ebef631c060b166be4b67)

man/corosync-qnetd.8

@@ -1,5 +1,5 @@
 .\"/*
-.\" * Copyright (C) 2016-2018 Red Hat, Inc.
+.\" * Copyright (C) 2016-2019 Red Hat, Inc.
 .\" *
 .\" * All rights reserved.
 .\" *
@@ -31,7 +31,7 @@
 .\" * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
 .\" * THE POSSIBILITY OF SUCH DAMAGE.
 .\" */
-.TH COROSYNC-QNETD 8 2018-08-09
+.TH COROSYNC-QNETD 8 2019-08-12
 .SH NAME
 corosync-qnetd \- QNet daemon
 .SH SYNOPSIS
@@ -57,8 +57,8 @@ and its counterpart
 are used to force IPv4 or IPv6 communication. The default is to listen on both address families.
 .TP
 .B -d
-Turn on debug logging. By default the messages sent to syslog are purely operational, this 
-option sends additional debug messages. For even more detail use the
+Turn on debug logging. By default the messages sent to syslog are purely operational, this
+option sends additional debug messages. For bumping syslog messages priority to info, use the
 .B -d
 parameter twice.
 .TP