diff --git a/index.bs b/index.bs
index 1afaf43..1efa4e8 100644
--- a/index.bs
+++ b/index.bs
@@ -5,6 +5,7 @@ Shortname: compression
 Text Macro: TWITTER compressionapi
 Text Macro: LATESTRD 2025-04
 Abstract: This document defines a set of JavaScript APIs to compress and decompress streams of binary data.
+Translation: zh-Hans https://htmlspecs.com/compression/
 Indent: 2
 Markup Shorthands: markdown yes
 </pre>