Update app.py

app.py

@@ -8,13 +8,13 @@ import requests
 from typing import Optional, List, Dict, Any
 
 def position_evaluation(fen):
-    """Chess position evaluation.
+    """Chess position evaluation. Get best move with continuation in UCI notation for chess position in FEN.
 
     Args:
         fen (str): Chess position in FEN
         
     Returns:
-        str: Chess position evaluation
+        str: Best move with continuation in UCI notation
     """
     url = "https://stockfish.online/api/s/v2.php"
     params = {"fen": fen, "depth": 12}