Fix link for GKE hacking blog page.

README.md

@@ -8,7 +8,7 @@ This is a simple penetration testing tool which takes advantage of public cloud
 
 It reads kubelet credentials from the cloud provider metadata and configures a kubeconfig file that you can use with `kubectl` to access the API.
 
-There's more info in our blog post at [https://www.4armed.com/blog/hacking-google-kubernetes-engine-part1/](https://www.4armed.com/blog/hacking-google-kubernetes-engine-part1/).
+There's more info in our blog post at [https://www.4armed.com/blog/hacking-kubelet-on-gke/](https://www.4armed.com/blog/hacking-kubelet-on-gke/).
 
 ## Supported providers