Update sampleec2.tf

sampleec2.tf

@@ -36,20 +36,21 @@ resource "time_sleep" "wait_30_seconds" {
 variable "security_group_name" {
   description = "Value of the Security group name"
   type        = string
-  default     = "ExampleAppServerInstance"
+  default     = "security_group"
 }
 
 variable "role_name" {
   description = "Value of the Name tag for the IAM role"
   type        = string
-  default     = "ExampleAppServerInstance"
+  default     = "role_name"
   sensitive = true
 }
 
 variable "policy_name" {
   description = "Value of the Name tag for the EC2 instance"
   type        = string
-  default     = "ExampleAppServerInstance"
+  default     = "policy_name"
   sensitive = true
 }
 
+