docs: minor update to the terraform.tfvars file

terraform/pack-tf/README.md

@@ -3,6 +3,10 @@
 This folder contains the demo code for the [Create and Deploy a Custom Add-On Pack](https://docs.spectrocloud.com/registries-and-packs/create-pack) tutorial.
 Use the code in this directory with the tutorial. 
 
+
+To get started, review the [prerequisites](#prerequisites). Next, follow the steps in the tutorial to deploy the cluster and custom add-on pack.
+ Use the [terraform.tfvars](./terraform.tfvars) file to provide the required variables. Once you populate the variables, you can deploy the cluster and custom add-on pack.
+
 ## Prerequisites
 You will need the following things before getting started:
 1. A Palette API key.

terraform/pack-tf/terraform.tfvars

@@ -1,6 +1,6 @@
 cluster_cloud_account_aws_name = "REPLACE ME"   # Name of the cloud account added to your Palette project settings
 aws_region_name                = "REPLACE ME"   # Use "us-east-1" or any other AWS region
-aws_az_names                   = ["REPLACE ME"] # Specify the AWS availability zone name. For example: ['us-east-1a', 'us-east-1b', 'us-east-1c'].
+aws_az_names                   = []             # Specify the AWS availability zone name, you want the cluster to be available in. By default, only one AZ will be selected. For example: ['us-east-1a', 'us-east-1b', 'us-east-1c'].
 ssh_key_name                   = "REPLACE ME"   # Name of the SSH key available in the region where you will deploy the cluster
 private_pack_registry          = "REPLACE ME"   # Your registry server name. This tutorial uses "private-pack-registry". 
 use_oci_registry               = true           # Set the use of OCI registry to true or false. The default value is set as true.