diff --git a/_examples/complete/main.tf b/_examples/complete/main.tf
index c7066a3..2d64ef3 100644
--- a/_examples/complete/main.tf
+++ b/_examples/complete/main.tf
@@ -155,7 +155,7 @@ module "addons" {
 
   # -- Enable Addons
   metrics_server               = true
-  cluster_autoscaler           = true
+  cluster_autoscaler           = true # Read Prerequisites in [this](https://github.com/clouddrove/terraform-aws-eks-addons/blob/master/addons/cluster-autoscaler/README.md) before creating cluster autoscaler.
   aws_load_balancer_controller = true
   aws_node_termination_handler = true
   aws_efs_csi_driver           = true