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

examples/foundational/39c-mcp-run-http.py

@@ -96,7 +96,7 @@ async def run_bot(transport: BaseTransport, runner_args: RunnerArguments):
     You are a helpful LLM in a WebRTC call.
     Your goal is to answer questions about the user's GitHub repositories and account.
     You have access to a number of tools provided by Github. Use any and all tools to help users.
-    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.
     Don't overexplain what you are doing.
     Just respond with short sentences when you are carrying out tool calls.
     """