diff --git a/modules/core_project_factory/outputs.tf b/modules/core_project_factory/outputs.tf
index 8c55a02a8..926b15119 100644
--- a/modules/core_project_factory/outputs.tf
+++ b/modules/core_project_factory/outputs.tf
@@ -19,7 +19,7 @@ output "project_name" {
 }
 
 output "project_id" {
-  value = "${google_project.main.project_id}"
+  value = "${element(concat(google_project_service.project_services.*.project, list(local.project_id)), 0)}"
 }
 
 output "project_number" {
diff --git a/modules/project_services/README.md b/modules/project_services/README.md
index 8a4ebbc6a..020ce20c4 100644
--- a/modules/project_services/README.md
+++ b/modules/project_services/README.md
@@ -27,10 +27,10 @@ See [examples/project_services](./examples/project_services) for an example.
 
 | Name | Description | Type | Default | Required |
 |------|-------------|:----:|:-----:|:-----:|
-| activate\_apis | The list of apis to activate within the project | list | n/a | yes |
-| disable\_services\_on\_destroy | Whether project services will be disabled when the resources are destroyed. https://www.terraform.io/docs/providers/google/r/google_project_service.html#disable_on_destroy | string | `"true"` | no |
-| enable\_apis | Whether to actually enable the APIs. If false, this module is a no-op. | string | `"true"` | no |
-| project\_id | The GCP project you want to enable APIs on | string | n/a | yes |
+| activate\_apis | The list of apis to activate within the project | list | - | yes |
+| disable\_services\_on\_destroy | Whether project services will be disabled when the resources are destroyed. https://www.terraform.io/docs/providers/google/r/google_project_service.html#disable_on_destroy | string | `true` | no |
+| enable\_apis | Whether to actually enable the APIs. If false, this module is a no-op. | string | `true` | no |
+| project\_id | The GCP project you want to enable APIs on | string | - | yes |
 
 ## Outputs
 
diff --git a/modules/project_services/examples/project_services/README.md b/modules/project_services/examples/project_services/README.md
index 98c58d0e0..ea3c18744 100755
--- a/modules/project_services/examples/project_services/README.md
+++ b/modules/project_services/examples/project_services/README.md
@@ -12,8 +12,8 @@ Expected variables:
 
 | Name | Description | Type | Default | Required |
 |------|-------------|:----:|:-----:|:-----:|
-| credentials\_path | Path to a service account credentials file with rights to run the Project Factory. If this file is absent Terraform will fall back to Application Default Credentials. | string | `""` | no |
-| project\_id | The GCP project you want to enable APIs on | string | n/a | yes |
+| credentials\_path | Path to a Service Account credentials file with permissions documented in the readme | string | - | yes |
+| project\_id | The GCP project you want to enable APIs on | string | - | yes |
 
 ## Outputs
 
diff --git a/modules/project_services/outputs.tf b/modules/project_services/outputs.tf
index c764afa54..46578bd27 100644
--- a/modules/project_services/outputs.tf
+++ b/modules/project_services/outputs.tf
@@ -16,5 +16,5 @@
 
 output "project_id" {
   description = "The GCP project you want to enable APIs on"
-  value       = "${element(concat(google_project_service.project_services.*.project, list("")),0)}"
+  value       = "${element(concat(google_project_service.project_services.*.project, list("")), 0)}"
 }