change comment of donwload_audio method

main.py

@@ -72,7 +72,9 @@ class ProcessRequest(BaseModel):
 
 def download_audio_bytes(youtube_url: str) -> bytes:
     
-    # Downloads the best audio-only format from a YouTube URL using yt-dlp and returns the raw audio data as bytes.
+    """
+    Downloads the best audio-only format from a YouTube URL using yt-dlp and returns the raw audio data as bytes.
+    """
 
     print(f"Attempting to download audio for: {youtube_url}")
     ydl_opts = {