diff --git a/include/battle_ai_util.h b/include/battle_ai_util.h
index f2dd8f03e..1a0fbc264 100644
--- a/include/battle_ai_util.h
+++ b/include/battle_ai_util.h
@@ -172,11 +172,11 @@ bool32 SideHasMoveSplit(u8 battlerId, u8 split);
 
 // score increases
 void IncreaseStatUpScore(u8 battlerAtk, u8 battlerDef, u8 statId, s16 *score);
-void IncreasePoisonScore(u8 battlerAtk, u8 battlerdef, u16 move, s16 *score);
-void IncreaseBurnScore(u8 battlerAtk, u8 battlerdef, u16 move, s16 *score);
+void IncreasePoisonScore(u8 battlerAtk, u8 battlerDef, u16 move, s16 *score);
+void IncreaseBurnScore(u8 battlerAtk, u8 battlerDef, u16 move, s16 *score);
 void IncreaseParalyzeScore(u8 battlerAtk, u8 battlerDef, u16 move, s16 *score);
 void IncreaseSleepScore(u8 battlerAtk, u8 battlerDef, u16 move, s16 *score);
 void IncreaseConfusionScore(u8 battlerAtk, u8 battlerDef, u16 move, s16 *score);
-void IncreaseFrostbiteScore(u8 battlerAtk, u8 battlerdef, u16 move, s16 *score);
+void IncreaseFrostbiteScore(u8 battlerAtk, u8 battlerDef, u16 move, s16 *score);
 
-#endif //GUARD_BATTLE_AI_UTIL_H
\ No newline at end of file
+#endif //GUARD_BATTLE_AI_UTIL_H