Update app.py

app.py

@@ -22,7 +22,7 @@ def get_btc_data(query: str) -> str:
     Fetches Bitcoin data using the CoinGecko API.
     
     Args:
-        query (str): This is the query to fetch the data. For example, it can be "price", "market_cap", or "circulating_supply".
+        query (str): The type of data to fetch. This can be one of the following: "price", "market_cap", or "circulating_supply".
         
     Returns:
         str: The requested Bitcoin data.