diff --git a/include/friend_area.h b/include/friend_area.h
index bb34660ba..20d1dea2c 100644
--- a/include/friend_area.h
+++ b/include/friend_area.h
@@ -22,8 +22,8 @@ extern bool8 *gFriendAreas;
 
 bool8 *GetBoughtFriendAreas(void);
 const u8 *GetFriendAreaDescription(u8 index);
-const u8 *GetFriendAreaName(u8);
-s32 GetFriendAreaPrice(u8);
+const u8 *GetFriendAreaName(u8 index);
+s32 GetFriendAreaPrice(u8 index);
 bool8 GetFriendAreaStatus(u8);
 u8 GetFriendAreaUnlockCondition(u8);
 bool8 HasAllFriendAreas(void);
@@ -33,7 +33,7 @@ u32 ReadSavedFriendAreas(u8 *, s32);
 u32 SaveFriendAreas(u8 *, u32);
 void UnlockFriendArea(u8);
 
-u8 sub_80923D4(s32);
+u8 sub_80923D4(s32 target);
 void sub_8092404(u8, u16 *, bool8, bool8);
 void sub_809249C(u8, bool8);
 void sub_8092558(u8 *, u8);
diff --git a/include/moves.h b/include/moves.h
index d1a80f606..eecfb2304 100644
--- a/include/moves.h
+++ b/include/moves.h
@@ -21,7 +21,7 @@ typedef struct MoveDataFile
     MoveLearnset *moveLearnsets;
 } MoveDataFile;
 
-bool8 CanBeSnatched(u16);
+bool8 CanBeSnatched(u16 moveID);
 void CopyAndResetMoves(Move *, Move *);
 void CopyBareMoveData(Move *, Move *);
 bool8 DoesMoveCharge(u16);