1 files changed, 2 insertions, 0 deletions
diff --git a/todo.md b/todo.md
index 239de53..1c36699 100644
--- a/todo.md
+++ b/todo.md
@@ -2,6 +2,8 @@
 
 In order of priority
 
+- Fix `let` bug
+  - Error in: 3:e2e:4 unexpected error: symbol y not defined in environment
 - Memoize pure top-level let-bindings with `let memo`
 - Add a `catch` builtin for catching fatal errors
 - Write function let expressions properly using lookups