diff --git a/docs/08-bootstrapping-kubernetes-controllers.md b/docs/08-bootstrapping-kubernetes-controllers.md
index db64cca..22c70e8 100644
--- a/docs/08-bootstrapping-kubernetes-controllers.md
+++ b/docs/08-bootstrapping-kubernetes-controllers.md
@@ -235,7 +235,7 @@ gcloud compute forwarding-rules create kubernetes-forwarding-rule \
 Retrieve the `kubernetes-the-hard-way` static IP address:
 
 ```
-KUBERNETES_PUBLIC_IP_ADDRESS=$(gcloud compute addresses describe kubernetes-the-hard-way \
+KUBERNETES_PUBLIC_ADDRESS=$(gcloud compute addresses describe kubernetes-the-hard-way \
   --region $(gcloud config get-value compute/region) \
   --format 'value(address)')
 ```
@@ -243,7 +243,7 @@ KUBERNETES_PUBLIC_IP_ADDRESS=$(gcloud compute addresses describe kubernetes-the-
 Make a HTTP request for the Kubernetes version info:
 
 ```
-curl --cacert ca.pem https://${KUBERNETES_PUBLIC_IP_ADDRESS}:6443/version
+curl --cacert ca.pem https://${KUBERNETES_PUBLIC_ADDRESS}:6443/version
 ```
 
 > output