fix typo in documentation
fix typo in documentation

Docker-DCO-1.1-Signed-off-by: Daniel Norberg <daniel.norberg@gmail.com> (github: danielnorberg)

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