diff --git a/source/guides/index-mirrors-and-caches.rst b/source/guides/index-mirrors-and-caches.rst
index f3b7bd243..5f856a467 100644
--- a/source/guides/index-mirrors-and-caches.rst
+++ b/source/guides/index-mirrors-and-caches.rst
@@ -66,7 +66,8 @@ Existing projects
      - ✔
      - ✔
      -
-     -
+     - complete PyPI mirror; supports filtering via plugins and filesystem or
+       S3-compatible storage backends
 
    * - :ref:`simpleindex`
      -