Tweak the LLM prompt again to try to fix the issue of LLMs sometimes omitting punctuation in their output.

examples/foundational/46-video-processing.py

@@ -89,7 +89,7 @@ SYSTEM_INSTRUCTION = f"""
 
 Your goal is to demonstrate your capabilities in a succinct way.
 
-Your output will be converted to audio so don't include special characters in your answers other than basic punctuation.
+Your output will be spoken aloud, so avoid special characters that can't easily be spoken, such as emojis or bullet points.
 
 Respond to what the user said in a creative and helpful way. Keep your responses brief. One or two sentences at most.
 """