chore: updated variable description

Author: pawan1210

modules/backend/variables.tf

@@ -26,7 +26,7 @@ variable "project_id" {
 }
 
 variable "load_balancing_scheme" {
-  description = "Load balancing scheme type (EXTERNAL for classic external load balancer, EXTERNAL_MANAGED for Envoy-based load balancer, and INTERNAL_SELF_MANAGED for traffic director)."
+  description = "Load balancing scheme type (EXTERNAL for classic external load balancer, EXTERNAL_MANAGED for Envoy-based load balancer, and INTERNAL_MANAGED for internal load balancer)"
   type        = string
   default     = "EXTERNAL_MANAGED"
 }

modules/frontend/variables.tf

@@ -156,13 +156,13 @@ variable "labels" {
 }
 
 variable "load_balancing_scheme" {
-  description = "Load balancing scheme type (EXTERNAL for classic external load balancer, EXTERNAL_MANAGED for Envoy-based load balancer, and INTERNAL_SELF_MANAGED for traffic director)"
+  description = "Load balancing scheme type (EXTERNAL for classic external load balancer, EXTERNAL_MANAGED for Envoy-based load balancer, and INTERNAL_MANAGED for internal load balancer)"
   type        = string
   default     = "EXTERNAL_MANAGED"
 }
 
 variable "network" {
-  description = "Network for INTERNAL_SELF_MANAGED/INTERNAL_MANAGED load balancing scheme"
+  description = "Network for INTERNAL_MANAGED load balancing scheme"
   type        = string
   default     = "default"
 }
@@ -200,8 +200,9 @@ variable "http_keep_alive_timeout_sec" {
 }
 
 variable "internal_forwarding_rules_config" {
-  description = "List of internal managed forwarding rules config. One of 'address' or 'subnetwork' is required for each."
+  description = "List of internal managed forwarding rules config. One of 'address' or 'subnetwork' is required for each. It is only applicable for internal load balancer"
   type = list(object({
+    region     = string
     address    = optional(string)
     subnetwork = optional(string)
   }))