Update app.py

app.py

@@ -37,7 +37,7 @@ def get_current_time_in_timezone(timezone: str) -> str:
 def get_restaurant_suggestion(food_type:str)-> str:
     """A tool that suggests a restaurant based on food type
     Args:
-        food_type: the first argument
+        food_type: A string representing a valid food type e.g. italian
     """
     if food_type == "asian":
         return "The restaurant suggested should be -The great wall-"