diff --git a/README.md b/README.md
index bb8d14c..66189aa 100644
--- a/README.md
+++ b/README.md
@@ -41,6 +41,7 @@ GCP
 
 ```
 gcloud config set compute/region us-central1
+gcloud config set compute/zone us-central1-a
 ```
 
 AWS