diff --git a/CHANGELOG.md b/CHANGELOG.md
index 58752e93..80b53354 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -5,6 +5,7 @@
 Features
 
 - Added `let-syntax` to the compiler and interpreter.
+TBD: `letrec-syntax`
 - Allow `eval` to recognize `syntax-rules` macros.
 
 Internal Changes