minor edits. Signed-off-by: Simei He <hesimei@zju.edu.cn>
minor edits.
Signed-off-by: Simei He <c9c7417df5c814327987c96886d9c0cbe3827bcd@zju.edu.cn>

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