Update concept-security-admin-rules-network-group.md - add titleSuffix

Author: American-Dipper

articles/virtual-network-manager/concept-security-admin-rules-network-group.md

@@ -1,5 +1,6 @@
 ---
 title: 'Using network groups with security admin rules'
+titleSuffix: Azure Virtual Network Manager
 description: Learn how a network administrator can deploy security admin rules using network groups as the source and destination in Azure Virtual Network Manager.
 author: mbender-ms
 ms.author: mbender
@@ -55,4 +56,4 @@ The following limitations apply when using network groups with security admin ru
 ## Next steps
 
 > [!div class="nextstepaction"]
-> [Create a security admin rule using network groups](./how-to-create-security-admin-rule-network-groups.md)
+> [Create a security admin rule using network groups](./how-to-create-security-admin-rule-network-groups.md)