Update src/variables.tf

Co-authored-by: coderabbitai[bot] <136622811+coderabbitai[bot]@users.noreply.github.com>

Author: RoseSecurity

src/variables.tf

@@ -11,7 +11,7 @@ variable "instance_type" {
 variable "aws_service_type" {
   type        = string
   description = "The type of AWS service to deploy (`elasticsearch` or `opensearch`)."
-  # For backwards comptibility we default to elasticsearch
+  # For backwards compatibility we default to elasticsearch
   default = "elasticsearch"
 
   validation {