diff --git a/TODO.md b/TODO.md
index 577efd86a6..6ff791e61c 100644
--- a/TODO.md
+++ b/TODO.md
@@ -17,6 +17,7 @@
 - [x] Column path
 - [x] ...rest without calling it rest
 - [x] Iteration (`each`) over tables
+- [ ] Handling rows with missing columns during a cell path
 - [ ] Error shortcircuit (stopping on first error)
 - [ ] ctrl-c support
 - [ ] operator overflow