refine

Author: YinglueZhang-MS

articles/spring-apps/how-to-create-user-defined-route-instance.md

@@ -265,7 +265,7 @@ az network vnet subnet update
 
 ### Add a role for an Azure Spring Apps resource provider
 
-The following example shows how to add a role for an Azure Spring Apps resource provider(You do not need to understand this concept and e8de9221-a19c-4c81-b814-fd37c6caf9d2 is suitable for all users):
+The following example shows how to add a role for the Azure Spring Apps resource provider, which is represented by the string e8de9221-a19c-4c81-b814-fd37c6caf9d2 for all users:
 
 ```azurecli
 VIRTUAL_NETWORK_RESOURCE_ID=$(az network vnet show \