docs: updated changelog

CHANGELOG.md

@@ -20,6 +20,8 @@ This project adheres to [Semantic Versioning](http://semver.org/).
 - **Editor**: Large size content can now be saved up to 1 MB
 - **Misc**: Empty anchors no longer crash the rendering process
 - **Misc**: Commented headers no longer appear in page contents
+- **Misc**: CJK + Arabic validators are now working properly
+- **Search**: Content is now indexed properly and handles more scenarios
 - **UI**: Markdown is now stripped from page contents items
 - **UI**: Page contents no longer disappear when scrolling down