https://github.com/nextcloud/documentation/blob/master/admin_manual/configuration_files/federated_cloud_sharing_configuration.rst

[Wikinaut]

On https://github.com/nextcloud/documentation/blob/master/admin_manual/configuration_files/federated_cloud_sharing_configuration.rst the section needs to be corrected, as this setting is no longer present (NC 23.0.2)

[tflidd]

It was removed here:
nextcloud/server#26780

Please feel free to create a pull request (there is a edit link on each documentation page)