Update Set-CsTenantFederationConfiguration.md

Example 12 changed.

Author: rhrivnak

teams/teams-ps/teams/Set-CsTenantFederationConfiguration.md

@@ -185,8 +185,8 @@ $list.add("fabrikam.com")
 Set-CsTenantFederationConfiguration -AllowedTrialTenantDomains $list
 ```
 
-Example 12 shows how you can set or replace domains in the Allowed Trial Tenant Domains using a List collection object.
-First, a List collection is created and domains are added to it, then, simply include the `AllowedTrialTenantDomains` parameter and set the parameter value to the List object.
+Using the `AllowedTrialTenantDomains` parameter, you can whitelist specific "trial-only" tenant domains, while keeping the `ExternalAccessWithTrialTenants` set to `Blocked`. Example 12 shows how you can set or replace domains in the Allowed Trial Tenant Domains using a List collection object. 
+First, a List collection is created and domains are added to it, then, simply include the `AllowedTrialTenantDomains` parameter and set the parameter value to the List object. 
 When this command completes, the Allowed Trial Tenant Domains list will be replaced with those domains.
 
 ### -------------------------- Example 13 --------------------------