diff --git a/modules/project/README.md b/modules/project/README.md
index 0598679c5..801362f29 100644
--- a/modules/project/README.md
+++ b/modules/project/README.md
@@ -221,12 +221,12 @@ module "project" {
 | [project_create](variables.tf#L165) | Create project. When set to false, uses a data source to reference existing project. | <code>bool</code> |  | <code>true</code> |
 | [service_config](variables.tf#L171) | Configure service API activation. | <code title="object&#40;&#123;&#10;  disable_on_destroy         &#61; bool&#10;  disable_dependent_services &#61; bool&#10;&#125;&#41;">object&#40;&#123;&#8230;&#125;&#41;</code> |  | <code title="&#123;&#10;  disable_on_destroy         &#61; true&#10;  disable_dependent_services &#61; true&#10;&#125;">&#123;&#8230;&#125;</code> |
 | [service_encryption_key_ids](variables.tf#L183) | Cloud KMS encryption key in {SERVICE => [KEY_URL]} format. | <code>map&#40;list&#40;string&#41;&#41;</code> |  | <code>&#123;&#125;</code> |
-| [service_perimeter_bridges](variables.tf#L189) | Name of VPC-SC Bridge perimeters to add project into. Specify the name in the form of 'accessPolicies/ACCESS_POLICY_NAME/servicePerimeters/PERIMETER_NAME'. | <code>list&#40;string&#41;</code> |  | <code>null</code> |
-| [service_perimeter_standard](variables.tf#L195) | Name of VPC-SC Standard perimeter to add project into. Specify the name in the form of 'accessPolicies/ACCESS_POLICY_NAME/servicePerimeters/PERIMETER_NAME'. | <code>string</code> |  | <code>null</code> |
-| [services](variables.tf#L201) | Service APIs to enable. | <code>list&#40;string&#41;</code> |  | <code>&#91;&#93;</code> |
-| [shared_vpc_host_config](variables.tf#L207) | Configures this project as a Shared VPC host project (mutually exclusive with shared_vpc_service_project). | <code title="object&#40;&#123;&#10;  enabled          &#61; bool&#10;  service_projects &#61; list&#40;string&#41;&#10;&#125;&#41;">object&#40;&#123;&#8230;&#125;&#41;</code> |  | <code title="&#123;&#10;  enabled          &#61; false&#10;  service_projects &#61; &#91;&#93;&#10;&#125;">&#123;&#8230;&#125;</code> |
-| [shared_vpc_service_config](variables.tf#L219) | Configures this project as a Shared VPC service project (mutually exclusive with shared_vpc_host_config). | <code title="object&#40;&#123;&#10;  attach       &#61; bool&#10;  host_project &#61; string&#10;&#125;&#41;">object&#40;&#123;&#8230;&#125;&#41;</code> |  | <code title="&#123;&#10;  attach       &#61; false&#10;  host_project &#61; &#34;&#34;&#10;&#125;">&#123;&#8230;&#125;</code> |
-| [skip_delete](variables.tf#L231) | Allows the underlying resources to be destroyed without destroying the project itself. | <code>bool</code> |  | <code>false</code> |
+| [service_perimeter_bridges](variables.tf#L190) | Name of VPC-SC Bridge perimeters to add project into. See comment in the variables file for format. | <code>list&#40;string&#41;</code> |  | <code>null</code> |
+| [service_perimeter_standard](variables.tf#L197) | Name of VPC-SC Standard perimeter to add project into. See comment in the variables file for format. | <code>string</code> |  | <code>null</code> |
+| [services](variables.tf#L203) | Service APIs to enable. | <code>list&#40;string&#41;</code> |  | <code>&#91;&#93;</code> |
+| [shared_vpc_host_config](variables.tf#L209) | Configures this project as a Shared VPC host project (mutually exclusive with shared_vpc_service_project). | <code title="object&#40;&#123;&#10;  enabled          &#61; bool&#10;  service_projects &#61; list&#40;string&#41;&#10;&#125;&#41;">object&#40;&#123;&#8230;&#125;&#41;</code> |  | <code title="&#123;&#10;  enabled          &#61; false&#10;  service_projects &#61; &#91;&#93;&#10;&#125;">&#123;&#8230;&#125;</code> |
+| [shared_vpc_service_config](variables.tf#L221) | Configures this project as a Shared VPC service project (mutually exclusive with shared_vpc_host_config). | <code title="object&#40;&#123;&#10;  attach       &#61; bool&#10;  host_project &#61; string&#10;&#125;&#41;">object&#40;&#123;&#8230;&#125;&#41;</code> |  | <code title="&#123;&#10;  attach       &#61; false&#10;  host_project &#61; &#34;&#34;&#10;&#125;">&#123;&#8230;&#125;</code> |
+| [skip_delete](variables.tf#L233) | Allows the underlying resources to be destroyed without destroying the project itself. | <code>bool</code> |  | <code>false</code> |
 
 ## Outputs
 
diff --git a/modules/project/variables.tf b/modules/project/variables.tf
index 971244cc3..4b581fa53 100644
--- a/modules/project/variables.tf
+++ b/modules/project/variables.tf
@@ -186,14 +186,16 @@ variable "service_encryption_key_ids" {
   default     = {}
 }
 
+# accessPolicies/ACCESS_POLICY_NAME/servicePerimeters/PERIMETER_NAME
 variable "service_perimeter_bridges" {
-  description = "Name of VPC-SC Bridge perimeters to add project into. Specify the name in the form of 'accessPolicies/ACCESS_POLICY_NAME/servicePerimeters/PERIMETER_NAME'."
+  description = "Name of VPC-SC Bridge perimeters to add project into. See comment in the variables file for format."
   type        = list(string)
   default     = null
 }
 
+# accessPolicies/ACCESS_POLICY_NAME/servicePerimeters/PERIMETER_NAME
 variable "service_perimeter_standard" {
-  description = "Name of VPC-SC Standard perimeter to add project into. Specify the name in the form of 'accessPolicies/ACCESS_POLICY_NAME/servicePerimeters/PERIMETER_NAME'."
+  description = "Name of VPC-SC Standard perimeter to add project into. See comment in the variables file for format."
   type        = string
   default     = null
 }