diff --git a/TODO.md b/TODO.md
index 7b0607d..0072dee 100644
--- a/TODO.md
+++ b/TODO.md
@@ -17,6 +17,7 @@
 - fps textbox positioning
 - shield generation curve
 - clippy & rules
+- reject unknown toml
 
 ## Small jobs
 - Better planet icons in radar