Update app.py

app.py

@@ -17,7 +17,7 @@ def calculate(arg1:int, arg2:int)-> str: #it's import to specify the return type
         arg2 (int): The second integer number.
 
     Returns:
-        str: The sum of arg1 and arg2 as a string.
+        str: The sum of arg1 and arg2 as a number.
     """
     
     # return "What magic will you build ?"