This link from an OSP 16.0 documentation page links to an OSP 13 documentation page. Reported by: carlosg https://access.redhat.com/documentation/en-us/red_hat_openstack_platform/16.0/html/keeping_red_hat_openstack_platform_updated/assembly-updating_the_undercloud#annotations:25572adf-aaaa-4a1a-82d4-8a707fb05b7b