diff --git a/include/battle_util.h b/include/battle_util.h
index b77fa10ad6..e145a5e9ca 100644
--- a/include/battle_util.h
+++ b/include/battle_util.h
@@ -52,8 +52,8 @@ void CancelMultiTurnMoves(u8 battlerId);
 bool8 WasUnableToUseMove(u8 battlerId);
 void PrepareStringBattle(u16 stringId, u8 battlerId);
 void ResetSentPokesToOpponentValue(void);
-void sub_803F9EC(u8 battlerId);
-void sub_803FA70(u8 battlerId);
+void OpponentSwitchInResetSentPokesToOpponent(u8 battlerId);
+void UpdateSentPokesToOpponentValue(u8 battlerId);
 void BattleScriptPush(const u8* bsPtr);
 void BattleScriptPushCursor(void);
 void BattleScriptPop(void);
diff --git a/src/battle_script_commands.c b/src/battle_script_commands.c
index 4e0e087b60..994d356258 100644
--- a/src/battle_script_commands.c
+++ b/src/battle_script_commands.c
@@ -5471,7 +5471,7 @@ static void Cmd_switchineffects(void)
     s32 i;
 
     gActiveBattler = GetBattlerForBattleScript(gBattlescriptCurrInstr[1]);
-    sub_803FA70(gActiveBattler);
+    UpdateSentPokesToOpponentValue(gActiveBattler);
 
     gHitMarker &= ~(HITMARKER_FAINTED(gActiveBattler));
     gSpecialStatuses[gActiveBattler].flag40 = 0;
diff --git a/src/battle_util.c b/src/battle_util.c
index 9cc2252b68..a579f7edd6 100644
--- a/src/battle_util.c
+++ b/src/battle_util.c
@@ -259,7 +259,7 @@ void ResetSentPokesToOpponentValue(void)
         gSentPokesToOpponent[(i & BIT_FLANK) >> 1] = bits;
 }
 
-void sub_803F9EC(u8 battler)
+void OpponentSwitchInResetSentPokesToOpponent(u8 battler)
 {
     s32 i = 0;
     u32 bits = 0;
@@ -279,11 +279,11 @@ void sub_803F9EC(u8 battler)
     }
 }
 
-void sub_803FA70(u8 battler)
+void UpdateSentPokesToOpponentValue(u8 battler)
 {
     if (GetBattlerSide(battler) == B_SIDE_OPPONENT)
     {
-        sub_803F9EC(battler);
+        OpponentSwitchInResetSentPokesToOpponent(battler);
     }
     else
     {
@@ -1250,7 +1250,7 @@ bool8 HandleFaintedMonActions(void)
             gBattleStruct->faintedActionsState = 3;
             break;
         case 2:
-            sub_803F9EC(gBattlerFainted);
+            OpponentSwitchInResetSentPokesToOpponent(gBattlerFainted);
             if (++gBattleStruct->faintedActionsBattlerId == gBattlersCount)
                 gBattleStruct->faintedActionsState = 3;
             else
diff --git a/src/pokemon.c b/src/pokemon.c
index 80e93c5685..b26f2f412a 100644
--- a/src/pokemon.c
+++ b/src/pokemon.c
@@ -4628,7 +4628,7 @@ void CopyPlayerPartyMonToBattleData(u8 battlerId, u8 partyIndex)
         gBattleMons[battlerId].statStages[i] = 6;
 
     gBattleMons[battlerId].status2 = 0;
-    sub_803FA70(battlerId);
+    UpdateSentPokesToOpponentValue(battlerId);
     ClearTemporarySpeciesSpriteData(battlerId, FALSE);
 }