diff --git a/docs/en/docs/release-notes.md b/docs/en/docs/release-notes.md
index 54c1275c2..46dbf7536 100644
--- a/docs/en/docs/release-notes.md
+++ b/docs/en/docs/release-notes.md
@@ -24,6 +24,7 @@ hide:
 
 ### Translations
 
+* 🌐 Add Korean translation for `docs/ko/docs/advanced/sub-applications.md`. PR [#4543](https://github.com/fastapi/fastapi/pull/4543) by [@NinaHwang](https://github.com/NinaHwang).
 * 🌐 Add Ukrainian translation for `docs/uk/docs/tutorial/schema-extra-example.md`. PR [#13769](https://github.com/fastapi/fastapi/pull/13769) by [@valentinDruzhinin](https://github.com/valentinDruzhinin).
 * ✏️ Remove redundant words in docs/zh/docs/python-types.md. PR [#13774](https://github.com/fastapi/fastapi/pull/13774) by [@CharleeWa](https://github.com/CharleeWa).
 * 🌐 Add Ukrainian translation for `docs/uk/docs/tutorial/query-param-models.md`. PR [#13748](https://github.com/fastapi/fastapi/pull/13748) by [@valentinDruzhinin](https://github.com/valentinDruzhinin).