Learn Editor: Update understand-ea-roles.md

Author: prashantsaini4

articles/cost-management-billing/manage/understand-ea-roles.md

@@ -69,7 +69,7 @@ Use Cost Management in the [Azure portal](https://portal.azure.com) so you can m
 
 Direct EA customers can complete all administrative tasks in the Azure portal. You can use the [Azure portal](https://portal.azure.com) to manage billing, costs, and Azure services.
 
-User roles are associated with a user account. To validate user authenticity, each user must have a valid work, school, or Microsoft account. Ensure that each account is associated with an email address to actively monitor it. Enrollment notifications are sent to the email address.
+EA Billing roles can only be assigned to individual user accounts. Assigning these roles to Distribution Groups (DGs) and Security Groups (SGs) is not supported. To validate user authenticity, each user must have a valid work, school, or Microsoft account. Ensure that each account is associated with an email address to actively monitor it. Enrollment notifications are sent to the email address.
 
 > [!NOTE]
 > The Account Owner role is often assigned to a service account that doesn't have an actively monitored email.