Update filestoragecontainer-update-customproperty.md

Author: tonchan-msft

api-reference/v1.0/api/filestoragecontainer-update-customproperty.md

@@ -15,7 +15,7 @@ Update one or multiple custom properties on a [fileStorageContainer](../resource
 
 Updating a custom property to a `null` value deletes the property from the container.
 
-The application calling this API must have read/write permissions to the **fileStorageContainer** for the respective container type.
+The application calling this API must have read and write permissions to the **fileStorageContainer** for the respective container type.
 
 ## Permissions
 Choose the permission or permissions marked as least privileged for this API. Use a higher privileged permission or permissions [only if your app requires it](/graph/permissions-overview#best-practices-for-using-microsoft-graph-permissions). For details about delegated and application permissions, see [Permission types](/graph/permissions-overview#permission-types). To learn more about these permissions, see the [permissions reference](/graph/permissions-reference).