diff --git a/CHANGELOG.md b/CHANGELOG.md
index eeb9a78..dd70263 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -7,6 +7,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 ## [Unreleased]
 ### Added
 - `inputStyle` and `nativeSpellcheck` options to manage the native language of the browser (Thanks to [@firm1], [#143]).
+- `sanitizerFunction` option to allow custom HTML sanitizing in the markdown preview (Thanks to [@adamb70], [#147]).
 ### Changed
 - Delay before assuming that submit of the form as failed is `autosave.submit_delay` instead of `autosave.delay` (Thanks to [@Situphen], [#139]).