Update download.md

Author: kailash-b

articles/quickstart/webapp/aspnet-core-blazor-server/download.md

@@ -5,7 +5,7 @@ To run the sample follow these steps:
 1) Set the **Allowed Callback URLs** in the [Application Settings](${manage_url}/#/applications/${account.clientId}/settings) to:
 
 ```text
-http://localhost:3000/callback,http://localhost:7113/callback
+http://localhost:3000/callback,https://localhost:7113/callback
 ```
 
 2) Set the **Allowed Logout URLs** in the [Application Settings](${manage_url}/#/applications/${account.clientId}/settings) to: