diff --git a/data/moves/tmhm_moves.asm b/data/moves/tmhm_moves.asm
index fea29780c..fd610d5fa 100644
--- a/data/moves/tmhm_moves.asm
+++ b/data/moves/tmhm_moves.asm
@@ -1,4 +1,5 @@
 TMHMMoves: ; 1167a
+; entries correspond to *_TMNUM enums (see constants/item_constants.asm)
 ; TMs
 	db DYNAMICPUNCH
 	db HEADBUTT