Update 5-AccessControl/2-call-api-groups/README.md

Co-authored-by: Salman Salem <v-ssalem@microsoft.com>

Author: Doğan Erişen

5-AccessControl/2-call-api-groups/README.md

@@ -176,7 +176,7 @@ To manually register the apps, as a first step you'll need to:
 
 1. All APIs must publish a minimum of one [scope](https://docs.microsoft.com/azure/active-directory/develop/v2-oauth2-auth-code-flow#request-an-authorization-code), also called [Delegated Permission](https://docs.microsoft.com/azure/active-directory/develop/v2-permissions-and-consent#permission-types), for the client apps to obtain an access token for a *user* successfully. To publish a scope, follow these steps:
 1. Select **Add a scope** button open the **Add a scope** screen and Enter the values as indicated below:
-    1. For **Scope name**, use `access_via_groups_assignments`.
+    1. For **Scope name**, use `access_via_group_assignments`.
     1. Select **Admins and users** options for **Who can consent?**.
     1. For **Admin consent display name** type in *scopeName*.
     1. For **Admin consent description** type in *e.g. Allows the app to read the signed-in user's files.*.