Update app.py

app.py

@@ -13,8 +13,8 @@ def repeat(arg1:str, arg2:int)-> str: #it's import to specify the return type
     #Keep this format for the description / args / args description but feel free to modify the tool
     """Repeat a string n times 
     Args:
-        arg1: the first argument
-        arg2: the second argument
+        arg1: the string to repeat
+        arg2: the number of times to repeat it
     """
     return arg1 * arg2