fixed tool parsing issue in tools.py

tools.py

@@ -347,10 +347,11 @@ def transcribe_audio_file(file_path: str) -> str:
 @tool(parse_docstring=True)
 def question_youtube_video(video_url: str, query: str) -> str:
     """
-    Returns an answer to a question about a YouTube video. 
+    This function returns an answer to a question about a YouTube video. 
     The video is streamed and one frame is captured every `capture_interval_sec` seconds.
     These frames are sent sequentially to a multimodal model to answer the question about the video.
     The final answer is aggregated from the answers to each frame.
+    DOES NOT USE AUDIO! ONLY FRAMES FROM THE VIDEO ARE USED TO ANSWER THE QUESTION.
     
     Args:
         video_url (str): The URL of the video to capture frames from.