We have multiple customers complaining that the oc-mirror documenation is not clear for hanlding multiple tar files. It appears that we have the information[1] there, but most of our customer seems not reading carefully. 

Could we add a separate instruction for multiple tar files use case?

[1]
https://docs.openshift.com/container-platform/4.15/installing/disconnected_install/installing-mirroring-disconnected.html#:~:text=Pass%20in%20the%20image%20set%20.tar,contains%20the%20image%20set%20.tar%20files.

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