misleading default for --update-monitor duration
misleading default for --update-monitor duration

Signed-off-by: erxian <705d14bb9cd952b3e3d087bfc56ee0436b075225@gmail.com>

riyazdf/cli,Zebrilee/cli,dnephin/cli,cpuguy83/cli,ashfall/cli,docker/cli,e11137/cli,allencloud/cli,thaJeztah/cli,riyazdf/cli,thaJeztah/cli,ashfall/cli,allencloud/cli,Zebrilee/cli,redpanda/cli,docker/cli,redpanda/cli,cpuguy83/cli,gdevillele/cli,e11137/cli,dnephin/cli