CNV-51691: Updated note about OVN-Kubernetes IPAM support

Author: Shikha Jhala

virt/vm_networking/virt-connecting-vm-to-ovn-secondary-network.adoc

@@ -45,7 +45,7 @@ You can create an OVN-Kubernetes network attachment definition (NAD) by using th
 
 [NOTE]
 ====
-Configuring IP address management (IPAM) in a network attachment definition for virtual machines is not supported.
+Configuring IP address management (IPAM) by specifying the `spec.config.ipam.subnet` attribute in a network attachment definition for virtual machines is not supported.
 ====
 
 include::modules/virt-creating-layer2-nad-cli.adoc[leveloffset=+2]