Description of problem:

The following statement is not accurate in https://docs.redhat.com/en/documentation/red_hat_satellite/6.16/html-single/managing_content/index#content-synchronization-by-using-export-and-import_content-management

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Synchronizing content by using export and import requires the same major, minor, and patch version of Satellite on both the downstream and upstream Satellite Servers.

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How reproducible:

100%

Is this issue a regression from an earlier version:

The statement has been in place since 6.13 doc

Expected behavior:
The statement should be 

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Synchronizing content by using export and import requires the same major version of Satellite on both the downstream and upstream Satellite Servers.

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Business Impact / Additional info:

It confuses the customer to believe they have to do the upgrade on the connected satellite via the ISO to match the minor version with the airgapped satellite in case the downstream is upgraded first