diff --git a/terraform/aws/iglu_server/default/variables.tf b/terraform/aws/iglu_server/default/variables.tf
index 81db3d5..a9be3fb 100644
--- a/terraform/aws/iglu_server/default/variables.tf
+++ b/terraform/aws/iglu_server/default/variables.tf
@@ -64,7 +64,7 @@ variable "iam_permissions_boundary" {
 }
 
 variable "ssl_information" {
-  description = "The ARN of an Amazon Certificate Manager certificate to bind to the load balancer"
+  description = "The ARN of an Amazon Certificate Manager certificate to bind to the load balancer (required for HTTPS)"
   type = object({
     enabled         = bool
     certificate_arn = string
diff --git a/terraform/aws/iglu_server/secure/variables.tf b/terraform/aws/iglu_server/secure/variables.tf
index a1c619d..0ad9af1 100644
--- a/terraform/aws/iglu_server/secure/variables.tf
+++ b/terraform/aws/iglu_server/secure/variables.tf
@@ -69,7 +69,7 @@ variable "iam_permissions_boundary" {
 }
 
 variable "ssl_information" {
-  description = "The ARN of an Amazon Certificate Manager certificate to bind to the load balancer"
+  description = "The ARN of an Amazon Certificate Manager certificate to bind to the load balancer (required for HTTPS)"
   type = object({
     enabled         = bool
     certificate_arn = string
diff --git a/terraform/aws/pipeline/default/variables.tf b/terraform/aws/pipeline/default/variables.tf
index 093fb05..b17cddb 100644
--- a/terraform/aws/pipeline/default/variables.tf
+++ b/terraform/aws/pipeline/default/variables.tf
@@ -104,7 +104,7 @@ variable "iam_permissions_boundary" {
 }
 
 variable "ssl_information" {
-  description = "The ARN of an Amazon Certificate Manager certificate to bind to the load balancer"
+  description = "The ARN of an Amazon Certificate Manager certificate to bind to the load balancer (required for HTTPS)"
   type = object({
     enabled         = bool
     certificate_arn = string
diff --git a/terraform/aws/pipeline/secure/variables.tf b/terraform/aws/pipeline/secure/variables.tf
index 85694c6..db257c4 100644
--- a/terraform/aws/pipeline/secure/variables.tf
+++ b/terraform/aws/pipeline/secure/variables.tf
@@ -103,7 +103,7 @@ variable "iam_permissions_boundary" {
 }
 
 variable "ssl_information" {
-  description = "The ARN of an Amazon Certificate Manager certificate to bind to the load balancer"
+  description = "The ARN of an Amazon Certificate Manager certificate to bind to the load balancer (required for HTTPS)"
   type = object({
     enabled         = bool
     certificate_arn = string