Section to be updated: https://docs.openshift.com/container-platform/4.7/migrating_from_ocp_3_to_4/about-migrating-from-3-to-4.html

Update with correct text for "Differences" link.
CI/CD pipeline is preferred method for migration.
Use MTC if there is no CI/CD pipeline or if PVs must preserve application state and cannot be migrated with a pipeline.