diff --git a/CHANGELOG.md b/CHANGELOG.md
index 8cdcdd7f..7681dec8 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -18,6 +18,7 @@
 
 ## Syntaxes
 
+- Added Lean syntax, see #1446 (@Julian)
 - Added `.resource` extension for Robot Framework files, see #1386
 
 ## New themes