Update content/en/docs/concepts/extend-kubernetes/compute-storage-net/network-plugins.md

Co-authored-by: Tim Bannister <[email protected]>

Author: Manish Kumar

content/en/docs/concepts/extend-kubernetes/compute-storage-net/network-plugins.md

@@ -21,7 +21,7 @@ You must use a CNI plugin that is compatible with the
 
 ## Installation
 
-The kubelet has a single default network plugin, and a default network common to the entire cluster. The CRI manages its own CNI plugins. There are two Kubelet command line parameters to keep in mind when using plugins:
+A CNI plugin is required to implement the [Kubernetes network model](/docs/concepts/services-networking/#the-kubernetes-network-model). The CRI manages its own CNI plugins. There are two Kubelet command line parameters to keep in mind when using plugins:
 
 * `cni-bin-dir`: Kubelet probes this directory for plugins on startup
 * `network-plugin`: The network plugin to use from `cni-bin-dir`.  It must match the name reported by a plugin probed from the plugin directory.  For CNI plugins, this is `cni`.