The total changes for the `index.rb` file should be this:
```diff
           renderer_class = find_index_renderer_class(config[:as])
           paginator      = config[:paginator].nil?      ? true : config[:paginator]
           download_links = config[:download_links].nil? ? active_admin_config.namespace.download_links : config[:download_links]
+          pagination_total = config[:pagination_total].nil? ? true : config[:pagination_total] 

           paginated_collection(collection, :entry_name     => active_admin_config.resource_label,
                                            :entries_name   => active_admin_config.plural_resource_label(:count => collection_size),
                                            :download_links => download_links,
-                                           :paginator      => paginator) do
+                                           :paginator      => paginator,
+                                           :pagination_total => pagination_total) do