diff --git a/index.bs b/index.bs
index 1bc8394..df69553 100644
--- a/index.bs
+++ b/index.bs
@@ -8,6 +8,7 @@ Abstract: This specification provides APIs to enable web applications to maintai
 Abstract: communications with server-side processes.
 Translation: ja https://triple-underscore.github.io/WebSocket-ja.html
 Translation: zh-Hans https://htmlspecs.com/websockets/
+Translation: ko https://ko.htmlspecs.com/websockets/
 Indent: 1
 Markup Shorthands: markdown yes
 </pre>