📝 Update release notes

docs/en/docs/release-notes.md

@@ -2,6 +2,7 @@
 
 ## Latest Changes
 
+* ✏️ Fix typos in comments on internal code in `fastapi/concurrency.py` and `fastapi/routing.py`. PR [#9590](https://github.com/tiangolo/fastapi/pull/9590) by [@ElliottLarsen](https://github.com/ElliottLarsen).
 * 📝 Add external article: Build an SMS Spam Classifier Serverless Database with FaunaDB and FastAPI. PR [#9847](https://github.com/tiangolo/fastapi/pull/9847) by [@adejumoridwan](https://github.com/adejumoridwan).
 * 📝 Fix typo in `docs/en/docs/contributing.md`. PR [#9878](https://github.com/tiangolo/fastapi/pull/9878) by [@VicenteMerino](https://github.com/VicenteMerino).
 * 📝 Fix code highlighting in `docs/en/docs/tutorial/bigger-applications.md`. PR [#9806](https://github.com/tiangolo/fastapi/pull/9806) by [@theonlykingpin](https://github.com/theonlykingpin).