📝 Update release notes

[skip ci]

docs/en/docs/release-notes.md

@@ -14,6 +14,10 @@ hide:
 * 🐛 Fix parsing extra `Form` parameter list. PR [#14303](https://github.com/fastapi/fastapi/pull/14303) by [@YuriiMotov](https://github.com/YuriiMotov).
 * 🐛 Fix support for form values with empty strings interpreted as missing (`None` if that's the default), for compatibility with HTML forms. PR [#13537](https://github.com/fastapi/fastapi/pull/13537) by [@MarinPostma](https://github.com/MarinPostma).
 
+### Docs
+
+* 📝 Clarify estimation note in documentation. PR [#14070](https://github.com/fastapi/fastapi/pull/14070) by [@SaisakthiM](https://github.com/SaisakthiM).
+
 ## 0.123.1
 
 ### Fixes