diff --git a/TODO.md b/TODO.md
index 79ad759288..f16902de6d 100644
--- a/TODO.md
+++ b/TODO.md
@@ -29,6 +29,7 @@
 - [x] Value serialization
 - [x] Handling rows with missing columns during a cell path
 - [x] finish operator type-checking
+- [x] Config file loading
 - [ ] Input/output types
 - [ ] Support for `$in`
 - [ ] ctrl-c support