diff --git a/README.rst b/README.rst
index 88245f1..dc2f69f 100644
--- a/README.rst
+++ b/README.rst
@@ -54,8 +54,8 @@ Then, reformat your entire project:
 
     pre-commit run blacken-docs --all-files
 
-Since Black is a moving target, it’s best to pin it in ``additional_dependencies``.
-Upgrade as appropriate.
+Since Black is a moving target, it’s best to pin it in ``additional_dependencies``, and upgrade as appropriate.
+If you have Black installed as another hook, you can automate upgrading this pinned hook using `sync-pre-commit-deps <https://github.com/pre-commit/sync-pre-commit-deps>`__.
 
 Usage
 =====