diff --git a/validation/src/check.rs b/validation/src/check.rs
index ad74463..1a59124 100644
--- a/validation/src/check.rs
+++ b/validation/src/check.rs
@@ -282,6 +282,7 @@ pub struct MapCheck<'a>{
 	mode_start_counts:DuplicateCheck<ModeID>,
 	// At least one finish zone for each start zone, and no finishes with no start
 	mode_finish_counts:SetDifferenceCheck<ModeID>,
+	// TODO: check for dangling MapAnticheat zones (no associated MapStart)
 	// Spawn1 must exist
 	spawn1:Result<(),()>,
 	// No duplicate Spawn#