diff --git a/CHANGELOG.md b/CHANGELOG.md
index 93a8262121..cbab1872dc 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,9 @@
 # Svelte changelog
 
+## Unreleased
+
+* Fix attaching of JS debugging comments to HTML comments ([#4565](https://github.com/sveltejs/svelte/issues/4565))
+
 ## 3.20.1
 
 * Fix compiler regression with slots ([#4562](https://github.com/sveltejs/svelte/issues/4562))