Updates .NET quickstart to contain an RBAC step; Fixes example URI to contain container name

Author: Graham Thomas

articles/healthcare-apis/deidentification/quickstart-sdk-net.md

@@ -36,7 +36,14 @@ A de-identification service provides you with an endpoint URL. This endpoint url
     DEID_SERVICE_NAME="<NewDeidServiceName>"
     az resource create -g $RESOURCE_GROUP_NAME -n $DEID_SERVICE_NAME --resource-type microsoft.healthdataaiservices/deidservices --is-full-object -p "{\"identity\":{\"type\":\"SystemAssigned\"},\"properties\":{},\"location\":\"$REGION\"}"
     ```
-    
+### Assign RBAC Roles to the de-identification service
+
+We need to assign a role to our deidentification service so we will have permissions to perform the actions in this quickstart.
+
+Since we will be using realtime and job endpoints, we will assign the `DeID Data Owner` roles.
+
+To learn how to assign this role to your deidentification service, please refer to: [Manage access to the de-identification service with Azure role-based access control (RBAC) in Azure Health Data Services](manage-access-rbac.md)
+
 ### Create an Azure Storage account
 
 1. Install [Azure CLI](/cli/azure/install-azure-cli)
@@ -146,11 +153,11 @@ Now we can create the job. This example uses `folder1/` as the prefix. The job w
 ```csharp
 using Azure;
 
-Uri storageAccountUri = new("");
+Uri storageAccountContainerUri = new("https://exampleStorageAccount.blob.core.windows.net/containerName");
 
 DeidentificationJob job = new(
-    new SourceStorageLocation(new Uri(storageAccountUrl), "folder1/"),
-    new TargetStorageLocation(new Uri(storageAccountUrl), "output_files/")
+    new SourceStorageLocation(storageAccountContainerUri, "folder1/"),
+    new TargetStorageLocation(storageAccountContainerUri, "output_files/")
 );
 
 job = client.CreateJob(WaitUntil.Started, "my-job-1", job).Value;