diff --git a/docs/release-notes.md b/docs/release-notes.md
index fec88bd55..c8cf26010 100644
--- a/docs/release-notes.md
+++ b/docs/release-notes.md
@@ -1,5 +1,7 @@
 ## Latest changes
 
+* Update docs for `Enum`s to inherit from `str` and improve Swagger UI rendering. PR [#351](https://github.com/tiangolo/fastapi/pull/351).
+
 * Fix regression, add Swagger UI deep linking again. PR [#350](https://github.com/tiangolo/fastapi/pull/350).
 
 * Add test for having path templates in `prefix` of `.include_router`. PR [#349](https://github.com/tiangolo/fastapi/pull/349).