docs: fix some broken links

This change fixes some of the broken links in the markdown
documentatoion sources found by the markdown link checker.

Assisted-by: IBM Bob
Signed-off-by: Michael Adam <obnox@samba.org>

Documentation/Storage-Configuration/Object-Storage-RGW/ceph-object-multisite.md

@@ -38,7 +38,7 @@ kubectl create -f object-multisite.yaml
 
 The first zone group created in a realm is the master zone group. The first zone created in a zone group is the master zone.
 
-When a non-master zone or non-master zone group is created, the zone group or zone is not in the Ceph Radosgw Multisite [Period](https://docs.ceph.com/docs/en/latest/radosgw/multisite/) until an object-store is created in that zone (and zone group).
+When a non-master zone or non-master zone group is created, the zone group or zone is not in the Ceph Radosgw Multisite [Period](https://docs.ceph.com/en/latest/radosgw/multisite/#setting-a-zonegroup-procedure) until an object-store is created in that zone (and zone group).
 
 The zone will create the pools for the object-store(s) that are in the zone to use.
 

Documentation/Storage-Configuration/Object-Storage-RGW/object-storage.md

@@ -696,7 +696,7 @@ Virtual host-style addressing requires 2 things:
 Wildcard addressing can be configured in myriad ways. Some options:
 
 - Kubernetes [ingress loadbalancer](https://kubernetes.io/docs/concepts/services-networking/ingress/#hostname-wildcards)
-- Openshift [DNS operator](https://docs.openshift.com/container-platform/latest/networking/dns-operator.html)
+- Openshift [DNS operator](https://docs.okd.io/latest/networking/networking_operators/dns-operator.html)
 
 The minimum recommended `hosting` configuration is exemplified below. It is important to ensure that
 Rook advertises the wildcard-addressable endpoint as a priority over the default. TLS is also