diff --git a/README.md b/README.md
index 1ab9106..6e7b4d8 100644
--- a/README.md
+++ b/README.md
@@ -2,7 +2,7 @@
 
 This repo provides terraform code for customers looking to implement Google Cloud connector support for the Bishop Fox Cosmos platform.
 
-There is a dependency on Workload Identity Federation (WIF) being enabled inside the designated project and _values.tfvars_ or env variables must be filled out with values for the following variables:
+There is a dependency on Workload Identity Federation (WIF) being enabled inside the designated project and _values.tfvars_ or env variables must be filled out with values for the following variables related to said project:
 
 - _projectID_
 - _projectNumber_
@@ -19,7 +19,29 @@ gcloud projects describe $(gcloud config get-value core/project) --format=value\
 - AWS_iamRole1
 - AWS_iamRole2
 
-Once the Workload Identity Pool, Workload Identity Pool AWS provider and [Connected] Service Account are provisioned you can add the service account as a principal with _Compute Viewer role_ to IAM permissions of one or more GCP projects, at the folder-level or at the organization-level.
+Once the Workload Identity Pool, Workload Identity Pool AWS provider and [Connected] Service Account are provisioned you can add the service account as a principal with a _Custom Role_ to IAM permissions of one or more GCP projects, at the folder-level or at the organization-level.
+
+_Custom Role_ permissions:
+
+```bash
+• compute.forwardingRules.get
+• compute.forwardingRules.list
+• compute.globalForwardingRules.get
+• compute.globalForwardingRules.list
+• compute.instances.get
+• compute.instances.list
+• compute.projects.get
+• compute.regions.get
+• compute.regions.list
+• compute.zones.get
+• compute.zones.list
+• resourcemanager.projects.get
+• resourcemanager.projects.list
+• serviceusage.services.get
+• serviceusage.services.list
+• storage.buckets.getIamPolicy
+• storage.buckets.list
+```
 
 The customer also needs to provide Bishop Fox with the WIF credentials file that is exported using the following command: