diff --git a/examples/vault-cluster-private-with-public-lb/main.tf b/examples/vault-cluster-private-with-public-lb/main.tf
index 1793091..f38e9cf 100644
--- a/examples/vault-cluster-private-with-public-lb/main.tf
+++ b/examples/vault-cluster-private-with-public-lb/main.tf
@@ -5,15 +5,16 @@
 # ---------------------------------------------------------------------------------------------------------------------
 
 provider "google" {
-  project = var.gcp_project
+  project = var.gcp_project_id
   region  = var.gcp_region
 }
 
 terraform {
+  # The modules used in this example have been updated with 0.12 syntax, which means the example is no longer
+  # compatible with any versions below 0.12.
   required_version = ">= 0.12"
 }
 
-
 # ---------------------------------------------------------------------------------------------------------------------
 # DEPLOY THE VAULT SERVER CLUSTER
 # ---------------------------------------------------------------------------------------------------------------------
diff --git a/examples/vault-cluster-private-with-public-lb/variables.tf b/examples/vault-cluster-private-with-public-lb/variables.tf
index 13d681d..97228a2 100644
--- a/examples/vault-cluster-private-with-public-lb/variables.tf
+++ b/examples/vault-cluster-private-with-public-lb/variables.tf
@@ -3,7 +3,7 @@
 # These parameters must be supplied when consuming this module.
 # ---------------------------------------------------------------------------------------------------------------------
 
-variable "gcp_project" {
+variable "gcp_project_id" {
   description = "The name of the GCP Project where all resources will be launched."
   type        = string
 }