fix missing link

Author: phealy

articles/aks/use-node-public-ips.md

@@ -104,13 +104,13 @@ Register the `NodePublicIPTagsPreview` feature flag by using the [`az feature re
 az feature register --namespace "Microsoft.ContainerService" --name "NodePublicIPTagsPreview"
 ```
 
-It takes a few minutes for the status to show *Registered*. Verify the registration status by using the [az feature show][az-feature-show] command:
+It takes a few minutes for the status to show *Registered*. Verify the registration status by using the [`az feature show`][az-feature-show] command:
 
 ```azurecli-interactive
 az feature show --namespace "Microsoft.ContainerService" --name "NodePublicIPTagsPreview"
 ```
 
-When the status reflects *Registered*, refresh the registration of the *Microsoft.ContainerService* resource provider by using the [az provider register][az-provider-register] command:
+When the status reflects *Registered*, refresh the registration of the *Microsoft.ContainerService* resource provider by using the [`az provider register`][az-provider-register] command:
 
 ```azurecli-interactive
 az provider register --namespace Microsoft.ContainerService
@@ -350,8 +350,9 @@ Containers:
 [az-aks-show]: /cli/azure/aks#az_aks_show
 [az-extension-add]: /cli/azure/extension#az_extension_add
 [az-extension-update]: /cli/azure/extension#az_extension_update
-[az-feature-register]: /cli/azure/feature#az_feature_register
-[az-feature-list]: /cli/azure/feature#az_feature_list
+[az-feature-register]: /cli/azure/feature#az-feature-register
+[az-feature-list]: /cli/azure/feature#az-feature-list
+[az-feature-show]: /cli/azure/feature#az-feature-show
 [az-provider-register]: /cli/azure/provider#az_provider_register
 [az-group-create]: /cli/azure/group#az_group_create
 [az-group-delete]: /cli/azure/group#az_group_delete