diff --git a/bot.py b/bot.py
index d254bb5..d10c989 100644
--- a/bot.py
+++ b/bot.py
@@ -87,7 +87,7 @@ def on_trade(message: dict, orderman: OrderManager, state: StateManager):
 
     state.set_last_price(symbol, price)
 
-    # 거래도
+    # 거래도 진행 // VALBZ와 VALE의 가격이 모두 존재할 때만 거래 시도
     if symbol == "VALBZ" or symbol == "VALE":
         print(
             f"Current prices - VALBZ: {state.get_last_price('VALBZ')}, VALE: {state.get_last_price('VALE')}"
@@ -99,6 +99,7 @@ def on_trade(message: dict, orderman: OrderManager, state: StateManager):
         print("NONE")
         return
 
+
     FEE = 10
     SZ = 10
     if p_vale + 1 < p_valbz - 1: