update data source permissions instructions to match modern UI (#63405)

* update data source permissions instructions to match modern UI

* Apply suggestions from code review

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Co-authored-by: Christopher Moyer <35463610+chri2547@users.noreply.github.com>

docs/sources/administration/data-source-management/index.md

@@ -79,10 +79,12 @@ After you have enabled permissions for a data source you can assign query permis
 **Assign query permission to users and teams:**
 
 1. Navigate to **Configuration > Data Sources**.
-1. Select the data source you want to assign query permissions for.
-1. On the Permissions tab, click **Add Permission**.
-1. Select **Team** or **User**.
-1. Select the entity you want to allow query access and then click **Save**.
+1. Select the data source you want to assign query permissions to.
+1. On the **Permissions** tab, click **Add Permission**.
+1. Select **Team**, **User**, or **Role**.
+1. Select the entity you want to modify permissions for.
+1. Select the **Query** or **Edit** permission.
+1. Click **Save**.
 
 <div class="clearfix"></div>