diff --git a/README.md b/README.md
index 5a92084..3181faf 100644
--- a/README.md
+++ b/README.md
@@ -59,7 +59,7 @@ No modules.
 | <a name="input_application_subnetpool_cidr_blocks"></a> [application_subnetpool_cidr_blocks](#input_application_subnetpool_cidr_blocks) | The CIDR blocks for the application subnet pool | `list(string)` | <pre>[<br>  "192.168.0.0/21"<br>]</pre> | no |
 | <a name="input_application_subnetpool_id"></a> [application_subnetpool_id](#input_application_subnetpool_id) | The id of the subnetpool to create the public (first 2 tier) networks from.<br>Since this module can route private subnets to the backbone, it needs to make sure it's not creating overlapping subnets. | `string` | `null` | no |
 | <a name="input_architecture_tiers"></a> [architecture_tiers](#input_architecture_tiers) | The type of architecture.<br>Can be either 0, 1, 2 or 3.<br>Tier 0 will not create any subnets or networks.<br>Tier 1 will only create a single frontend subnet.<br>Tier 2 will create a frontend and backend subnet.<br>Tier 3 will create a frontend, backend and database subnet. | `number` | `1` | no |
-| <a name="input_attach_to_external"></a> [attach_to_external](#input_attach_to_external) | Whether the frontend subnet should be routed or not to the external LAN.<br>This options implies that you have sufficient permissions to configure static route on the backbone infrastructure.<br>This will create an static route entry in the route table of the backbone router, in order to make your project available from the outside. | `bool` | `false` | no |
+| <a name="input_attach_to_external"></a> [attach_to_external](#input_attach_to_external) | Whether to attach the router to an external network.<br>This will add a gateway interface to the router, and possibly consume a public IP address which might be billed by your cloud provider. | `bool` | `false` | no |
 | <a name="input_backend_subnet_prefix_len"></a> [backend_subnet_prefix_len](#input_backend_subnet_prefix_len) | The prefix length of the backend subnet. Must be between 20 and 32. | `number` | `24` | no |
 | <a name="input_create_application_subnetpool"></a> [create_application_subnetpool](#input_create_application_subnetpool) | Whether the module should create an application subnet pool for this project, or use an existing one. | `bool` | `true` | no |
 | <a name="input_create_database_subnetpool"></a> [create_database_subnetpool](#input_create_database_subnetpool) | Whether the module should create a database subnet pool for this project, or use an existing one. | `bool` | `true` | no |
diff --git a/tests/module/README.md b/tests/module/README.md
index 1affb25..39d0f93 100644
--- a/tests/module/README.md
+++ b/tests/module/README.md
@@ -37,7 +37,7 @@
 | <a name="input_application_subnetpool_cidr_blocks"></a> [application_subnetpool_cidr_blocks](#input_application_subnetpool_cidr_blocks) | The CIDR blocks for the application subnet pool | `list(string)` | <pre>[<br>  "192.168.0.0/21"<br>]</pre> | no |
 | <a name="input_application_subnetpool_id"></a> [application_subnetpool_id](#input_application_subnetpool_id) | The id of the subnetpool to create the public (first 2 tier) networks from.<br>Since this module can route private subnets to the backbone, it needs to make sure it's not creating overlapping subnets. | `string` | `null` | no |
 | <a name="input_architecture_tiers"></a> [architecture_tiers](#input_architecture_tiers) | The type of architecture.<br>Can be either 0, 1, 2 or 3.<br>Tier 0 will not create any subnets or networks.<br>Tier 1 will only create a single frontend subnet.<br>Tier 2 will create a frontend and backend subnet.<br>Tier 3 will create a frontend, backend and database subnet. | `number` | `1` | no |
-| <a name="input_attach_to_external"></a> [attach_to_external](#input_attach_to_external) | Whether the frontend subnet should be routed or not to the external LAN.<br>This options implies that you have sufficient permissions to configure static route on the backbone infrastructure.<br>This will create an static route entry in the route table of the backbone router, in order to make your project available from the outside. | `bool` | `false` | no |
+| <a name="input_attach_to_external"></a> [attach_to_external](#input_attach_to_external) | Whether to attach the router to an external network.<br>This will add a gateway interface to the router, and possibly consume a public IP address which might be billed by your cloud provider. | `bool` | `false` | no |
 | <a name="input_backend_subnet_prefix_len"></a> [backend_subnet_prefix_len](#input_backend_subnet_prefix_len) | The prefix length of the backend subnet. Must be between 20 and 32. | `number` | `24` | no |
 | <a name="input_create_application_subnetpool"></a> [create_application_subnetpool](#input_create_application_subnetpool) | Whether the module should create an application subnet pool for this project, or use an existing one. | `bool` | `true` | no |
 | <a name="input_create_database_subnetpool"></a> [create_database_subnetpool](#input_create_database_subnetpool) | Whether the module should create a database subnet pool for this project, or use an existing one. | `bool` | `true` | no |
diff --git a/tests/module/variables.tf b/tests/module/variables.tf
index bdb6bc1..89032c6 100644
--- a/tests/module/variables.tf
+++ b/tests/module/variables.tf
@@ -162,9 +162,8 @@ variable "database_subnetpool_id" {
 variable "attach_to_external" {
   type        = bool
   description = <<-EOT
-    Whether the frontend subnet should be routed or not to the external LAN.
-    This options implies that you have sufficient permissions to configure static route on the backbone infrastructure.
-    This will create an static route entry in the route table of the backbone router, in order to make your project available from the outside.
+    Whether to attach the router to an external network.
+    This will add a gateway interface to the router, and possibly consume a public IP address which might be billed by your cloud provider.
   EOT
   default     = false
 }
diff --git a/variables.tf b/variables.tf
index 6a3fddf..648d06b 100644
--- a/variables.tf
+++ b/variables.tf
@@ -205,9 +205,8 @@ locals {
 variable "attach_to_external" {
   type        = bool
   description = <<-EOT
-    Whether the frontend subnet should be routed or not to the external LAN.
-    This options implies that you have sufficient permissions to configure static route on the backbone infrastructure.
-    This will create an static route entry in the route table of the backbone router, in order to make your project available from the outside.
+    Whether to attach the router to an external network.
+    This will add a gateway interface to the router, and possibly consume a public IP address which might be billed by your cloud provider.
   EOT
   default     = false
 }