OSDOCS-5509 Update CCS AWS Accounts

Author: jneczypor

modules/ccs-aws-iam.adoc

@@ -103,7 +103,7 @@ The `osdManagedAdmin` user is created immediately after taking control of the cu
 [id="aws-policy-iam-roles_{context}"]
 == IAM roles
 
-* The `network-mgmt` role provides customer-federated administrative access to the AWS account through a separate AWS account. It also has the same access as a read-only role. The following policies are attached to the role:
+* The `network-mgmt` role provides customer-federated administrative access to the AWS account through a separate AWS account. It also has the same access as a read-only role. The `network-mgmt` role only applies to non-Customer Cloud Subscription (CCS) clusters. The following policies are attached to the role:
 
 ** AmazonEC2ReadOnlyAccess
 ** CustomerAdministratorAccess