Update ANP for more info section

Author: StevenBarre

release_notes/ocp-4-16-release-notes.adoc

@@ -829,7 +829,7 @@ With this release, {product-title} routes can be configured with third-party cer
 ==== AdminNetworkPolicy is generally available
 This feature provides two new APIs, `AdminNetworkPolicy` (ANP) and `BaselineAdminNetworkPolicy` (BANP). Before namespaces are created, cluster Administrators can use ANP and BANP to apply cluster-scoped network policies and safeguards for an entire cluster. Because it is cluster scoped, ANP provides Administrators a solution to manage the security of their network at scale without having to duplicate their network policies on each namespace.
 
-For more information, see xref:../networking/ovn_kubernetes_network_provider/converting-to-dual-stack.adoc#nw-dual-stack-convert_converting-to-dual-stack[Converting to a dual-stack cluster network] in _Converting to IPv4/IPv6 dual-stack networking_.
+For more information, see xref:../networking/network_security/AdminNetworkPolicy/ovn-k-anp.adoc#adminnetworkpolicy_ovn-k-anp[AdminNetworkPolicy] in _Network security_.
 
 [id="ocp-4-16-networking-sdn-ovnk-live-migration_{context}"]
 ==== Limited live migration to the OVN-Kubernetes network plugin