diff --git a/docs/index.rst b/docs/index.rst
index c535410..43ede8c 100644
--- a/docs/index.rst
+++ b/docs/index.rst
@@ -11,6 +11,9 @@ project.
 
 .. _test coverage: https://buildbot.rattailproject.org/coverage/wuttaweb/
 
+.. image:: https://img.shields.io/badge/code%20style-black-000000.svg
+   :target: https://github.com/psf/black
+
 However as you can see..the API should be fairly well documented but
 the narrative docs are pretty scant.  That will eventually change.