diff --git a/variables.tf b/variables.tf
index 7b37455..a2b71d1 100644
--- a/variables.tf
+++ b/variables.tf
@@ -32,8 +32,8 @@ variable "subnets_name" {
   default     = "*-container-*"
 }
 
-variable "domain" {
-  description = "The DNS domain name of the cluster."
+variable "vpc_domain_name" {
+  description = "The DNS domain name of the vpc the cluster is in."
   type        = string
 }