Merge pull request #67318 from JoeAldinger/OCPBUGS-19774

/lgtm OCPBUGS-19774:updates migration limitation SDN-OVN-K for Nutanix

Author: JoeAldinger

modules/nw-ovn-kubernetes-migration-about.adoc

@@ -20,6 +20,8 @@ A migration to the OVN-Kubernetes network plugin is supported on the following p
 [IMPORTANT]
 ====
 Migrating to or from the OVN-Kubernetes network plugin is not supported for managed OpenShift cloud services such as {product-dedicated}, Azure Red Hat OpenShift(ARO), and Red Hat OpenShift Service on AWS (ROSA).
+
+Migrating from OpenShift SDN network plugin to OVN-Kubernetes network plugin is not supported on Nutanix.
 ====
 
 [id="considerations-migrating-ovn-kubernetes-network-provider_{context}"]