diff --git a/examples/billing_account/README.md b/examples/billing_account/README.md
index 474da886..c61c21da 100644
--- a/examples/billing_account/README.md
+++ b/examples/billing_account/README.md
@@ -8,9 +8,15 @@ This example illustrates how to use the `billing_accounts_iam` submodule
 | Name | Description | Type | Default | Required |
 |------|-------------|:----:|:-----:|:-----:|
 | billing\_account\_id | Billing Account ID to apply IAM bindings | string | n/a | yes |
-| group\_email | Email for group to receive roles (ex. group@example.com) | string | n/a | yes |
-| sa\_email | Email for Service Account to receive roles (Ex. default-sa@example-project-id.iam.gserviceaccount.com) | string | n/a | yes |
-| user\_email | Email for group to receive roles (Ex. user@example.com) | string | n/a | yes |
+| project\_id | Project ID for the module | string | n/a | yes |
+
+## Outputs
+
+| Name | Description |
+|------|-------------|
+| billing\_account\_ids | Billing Accounts which received bindings. |
+| members | Members which were bound to the billing accounts. |
+| service\_account\_address | Member which was bound to projects. |
 
 <!-- END OF PRE-COMMIT-TERRAFORM DOCS HOOK -->
 
diff --git a/examples/billing_account/main.tf b/examples/billing_account/main.tf
index 7c911cdd..2d0b8c9a 100644
--- a/examples/billing_account/main.tf
+++ b/examples/billing_account/main.tf
@@ -27,7 +27,7 @@ provider "google-beta" {
 
 locals {
 
-  bindings={
+  bindings = {
     "roles/billing.viewer" = [
       "serviceAccount:billing-iam-test-01@${var.project_id}.iam.gserviceaccount.com",
     ]
diff --git a/test/fixtures/billing-iam/main.tf b/test/fixtures/billing-iam/main.tf
index 9323b918..42d03dd4 100644
--- a/test/fixtures/billing-iam/main.tf
+++ b/test/fixtures/billing-iam/main.tf
@@ -25,7 +25,7 @@ provider "google-beta" {
 #additive
 
 module "iam_binding_billing_accounts_additive" {
-  source              = "../../../examples/billing_account"
-  billing_account_id  = var.billing_iam_test_account
-  project_id          = var.project_id
+  source             = "../../../examples/billing_account"
+  billing_account_id = var.billing_iam_test_account
+  project_id         = var.project_id
 }