diff --git a/variables.tf b/variables.tf
index d83360c..3c81c52 100644
--- a/variables.tf
+++ b/variables.tf
@@ -388,7 +388,7 @@ variable "subnet_azs" {
   # We only support configuring the AZs for the public, private, control_plane, and database subnet
   validation {
     condition     =  var.subnet_azs == {}  || alltrue([for subnet in keys(var.subnet_azs) : contains(["public", "private", "control_plane", "database"], subnet)])
-    error_message = "ERROR: only public, private, control_plane, and database are the only keys allowed in the subnet_azs map"
+    error_message = "ERROR: public, private, control_plane, and database are the only keys allowed in the subnet_azs map"
   }
 }
 variable "security_group_id" {