diff --git a/CHANGELOG b/CHANGELOG
index 9490540f1b1..704950231d4 100644
--- a/CHANGELOG
+++ b/CHANGELOG
@@ -14,6 +14,7 @@ v 8.4.0 (unreleased)
   - Autocomplete data is now always loaded, instead of when focusing a comment text area
   - Improved performance of finding issues for an entire group
   - Added custom application performance measuring system powered by InfluxDB
+  - Add syntax highlighting to diffs
   - Gracefully handle invalid UTF-8 sequences in Markdown links (Stan Hu)
   - Bump fog to 1.36.0 (Stan Hu)
   - Add user's last used IP addresses to admin page (Stan Hu)