diff --git a/data/battle_ai_scripts.s b/data/battle_ai_scripts.s
index df6cf1b6f..bdc80cd5b 100644
--- a/data/battle_ai_scripts.s
+++ b/data/battle_ai_scripts.s
@@ -1099,15 +1099,18 @@ AI_CV_AttackDown3:
 	score -2
 AI_CV_AttackDown4:
 	get_target_type1
-	if_in_bytes AI_CV_AttackDown_UnknownTypeList, AI_CV_AttackDown_End
+	if_in_bytes AI_CV_AttackDown_PhysicalTypeList, AI_CV_AttackDown_End
 	get_target_type2
-	if_in_bytes AI_CV_AttackDown_UnknownTypeList, AI_CV_AttackDown_End
+	if_in_bytes AI_CV_AttackDown_PhysicalTypeList, AI_CV_AttackDown_End
 	if_random_less_than 50, AI_CV_AttackDown_End
 	score -2
 AI_CV_AttackDown_End:
 	end
 
-AI_CV_AttackDown_UnknownTypeList:
+@ If the target is not of any type in this list then using the move may be discouraged.
+@ It seems likely this was meant to be "discourage reducing the target's attack if they're
+@ not a physical type", but they've left out Flying, Poison, and Ghost.
+AI_CV_AttackDown_PhysicalTypeList:
 	.byte TYPE_NORMAL
 	.byte TYPE_FIGHTING
 	.byte TYPE_GROUND
diff --git a/src/item.c b/src/item.c
index 8b375df84..b67cf5f21 100644
--- a/src/item.c
+++ b/src/item.c
@@ -15,18 +15,14 @@
 #include "constants/items.h"
 #include "constants/hold_effects.h"
 
-// this file's functions
 static bool8 CheckPyramidBagHasItem(u16 itemId, u16 count);
 static bool8 CheckPyramidBagHasSpace(u16 itemId, u16 count);
 
-// EWRAM variables
 EWRAM_DATA struct BagPocket gBagPockets[POCKETS_COUNT] = {0};
 
-// rodata
 #include "data/text/item_descriptions.h"
 #include "data/items.h"
 
-// code
 static u16 GetBagItemQuantity(u16 *quantity)
 {
     return gSaveBlock2Ptr->encryptionKey ^ *quantity;