fix: update broken links

Author: cShirley14

content/en/docs/tasks/administer-cluster/network-policy-provider/weave-network-policy.md

@@ -19,10 +19,10 @@ You need to have a Kubernetes cluster. Follow the
 
 ## Install the Weave Net addon
 
-Follow the [Integrating Kubernetes via the Addon](https://www.weave.works/docs/net/latest/kubernetes/kube-addon/) guide.
+Follow the [Integrating Kubernetes via the Addon](https://github.com/weaveworks/weave/blob/master/site/kubernetes/kube-addon.md#-installation) guide.
 
 The Weave Net addon for Kubernetes comes with a
-[Network Policy Controller](https://www.weave.works/docs/net/latest/kubernetes/kube-addon/#npc)
+[Network Policy Controller](https://github.com/weaveworks/weave/blob/master/docs/weavenpc-design.md)
 that automatically monitors Kubernetes for any NetworkPolicy annotations on all
 namespaces and configures `iptables` rules to allow or block traffic as directed by the policies.