Adjust without-domain-validation example to variable change

Author: ringanta

examples/without-domain-validation/README.md

@@ -1,6 +1,8 @@
 # Terraform AWS ACM Multiple Hosted Zone Example
 
-This provides example on how to use terraform-aws-acm-multiple-hosted-zone module without creating or overwriting existing domain validation records on Route53.
+This example provides guides on how to use terraform-aws-acm-multiple-hosted-zone module without creating domain validation records on Route53.
+In general it is okay to overwrite domain validation records on Route53.
+This example cater to the case in which we don't want to overwrite existing domain validation for any reason.
 
 ## Usage 
 
@@ -13,7 +15,7 @@ terraform apply tfplan.out
 ```
 
 Note that this example may create resources that cost money.
-Run `terraform destroy` when you don't need the resources anymore.
+Run `terraform destroy` to clean up the resources.
 
 ## Requirements
 

examples/without-domain-validation/main.tf

@@ -1,11 +1,11 @@
 module "acm" {
     source = "../../"
 
-    domains = [
-        {
-            zone = "example.com"
-            domain = "example.com"
-        },
+    domain_name = {
+        zone = "example.com"
+        domain = "example.com"
+    }
+    subject_alternative_names = [
         {
             zone = "example.com"
             domain = "*.example.com"
@@ -23,6 +23,6 @@ module "acm" {
     validation_set_records = false
 
     tags = {
-        Name = "Test ACM request with multiple hosted zones"
+        Name = "ACM request without setting validation records on Route53"
     }
 }