Update app.py

app.py

@@ -14,7 +14,11 @@ from Gradio_UI import GradioUI
 
 @tool
 def get_song_lyrics(song_name: str, artist_name: str) -> str:
-    """Fetch lyrics from Genius based on song title and artist name."""
+     """A tool that fetches lyrics from Genius based on the song title and artist name.
+    Args:
+        song_name: A string representing a valid name of a song.
+        artist_name: A string representing a valid name of a song.
+    """
     genius_token = os.getenv("Genius_Lyrics")
     if not genius_token:
         return "Error: Genius API token not found."