add a note to the impacted resources

Impacted resources are limited to a maximum of 50 resources in the portal, in order to view all resources you should use the expand query on Microsoft graph, for example: Get: https://graph.microsoft.com/beta/directory/recommendations?$expand=impactedResources

Author: JohneLeite

articles/active-directory/reports-monitoring/howto-use-recommendations.md

@@ -72,6 +72,10 @@ Each recommendation provides the same set of details that explain what the recom
 
 - The **Impacted resources** table contains a list of resources identified by the recommendation. The resource's name, ID, date it was first detected, and status are provided. The resource could be an application or resource service principal, for example. 
 
+> [!NOTE]
+> In the azure portal the impacted resources are limited to a maximum of 50 resources, to view more resources you should use the expand query parameter at the end of your API query on Microsoft graph.
+
+
 ## How to update a recommendation
 
 To update the status of a recommendation or a related resource, sign in to Azure using a least-privileged role for updating a recommendation.
@@ -136,4 +140,4 @@ For more information, see the [Microsoft Graph documentation for recommendations
 ## Next steps
 
 - [Review the Azure AD recommendations overview](overview-recommendations.md)
-- [Learn about Service Health notifications](overview-service-health-notifications.md)
+- [Learn about Service Health notifications](overview-service-health-notifications.md)