diff --git a/docs/release-notes.md b/docs/release-notes.md
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--- a/docs/release-notes.md
+++ b/docs/release-notes.md
@@ -1,5 +1,7 @@
 ## Next release
 
+* Re-enable `black` formatting checks for Python 3.7. PR [#229](https://github.com/tiangolo/fastapi/pull/229) by [@zamiramir](https://github.com/zamiramir).
+
 ## 0.21.0
 
 * On body parsing errors, raise `from` previous exception, to allow better introspection in logging code. PR [#192](https://github.com/tiangolo/fastapi/pull/195) by [@ricardomomm](https://github.com/ricardomomm).