Update app.py

app.py

@@ -48,7 +48,7 @@ def search_Competition_Matches_Results_By_Date(competition_name: str, matchday:
     """A tool that fetch football games results for a given competition from a specified date.
     Args:
         competition_name: A string representing the full name of the competition, e.g., "Premier League" or "Bundesliga".
-        date_str: A string representing the matchday for which to retrieve match results format: Integer /[1-4]+[0-9]*/.
+        matchday: A string representing the matchday for which to retrieve match results format: Integer /[1-4]+[0-9]*/.
     """
 
     competition_code = get_Competition_Code(competition_name)