diff --git a/CalculatorTutorial/CalculatorTutorial.cpp b/CalculatorTutorial/CalculatorTutorial.cpp
index d5e1f76..ee8a545 100644
--- a/CalculatorTutorial/CalculatorTutorial.cpp
+++ b/CalculatorTutorial/CalculatorTutorial.cpp
@@ -5,7 +5,7 @@
 #include "Calculator.h"
 
 using namespace std;
-
+//変更時動作の確認
 int main()
 {
     double x = 0.0;