diff --git a/src/TODO b/src/TODO
index a5dab9a69..d32c5469a 100644
--- a/src/TODO
+++ b/src/TODO
@@ -3,6 +3,8 @@ Before 4.6.0-pre2
 
 Don't allow stdout and stderr from extfs scripts pollute the screen.
 
+Crash on circular macro definitions in the editor.
+
 Add minimal UTF-8 support on Red Hat 8.0 to fix the frames or disable
 support for S-Lang library compiled with UTF-8 support.