clarify allowed dataplane support

Author: matmerr

articles/aks/network-observability-overview.md

@@ -31,6 +31,8 @@ When the Network Observability add-on is enabled, it allows for the collection a
 
 * **BYO Prometheus and Grafana:** Alternatively, you can choose to set up your own Prometheus and Grafana instances. In this case, you're responsible for provisioning and managing the infrastructure required to run Prometheus and Grafana. Install and configure Prometheus to scrape the metrics generated by the Network Observability add-on and store them. Similarly, Grafana needs to be set up to connect to Prometheus and visualize the collected data.
 
+* **Multi Dataplane Support:** Network Observability add-on supports both Azure CNI and Kubenet dataplanes.
+
 ## Metrics
 
  Network Observability add-on currently only supports node level metrics in both Linux and Windows platforms. The below table outlines the different metrics generated by the Network Observability add-on.
@@ -65,5 +67,3 @@ Certain scale limitations apply when you use Azure managed Prometheus and Grafan
 - To create an AKS cluster with Network Observability and Azure managed Prometheus and Grafana, see [Setup Network Observability for Azure Kubernetes Service (AKS) Azure managed Prometheus and Grafana](network-observability-managed-cli.md).
 
 - To create an AKS cluster with Network Observability and BYO Prometheus and Grafana, see [Setup Network Observability for Azure Kubernetes Service (AKS) BYO Prometheus and Grafana](network-observability-byo-cli.md).
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