diff --git a/gemini-2/live_api_starter.py b/gemini-2/live_api_starter.py
index 0a8cf796c..9633c3af5 100755
--- a/gemini-2/live_api_starter.py
+++ b/gemini-2/live_api_starter.py
@@ -79,6 +79,8 @@
 
 client = genai.Client(http_options={"api_version": "v1alpha"})
 
+# While Gemini 2.0 Flash is in experimental preview mode, only one of AUDIO or
+# TEXT may be passed here.
 CONFIG = {"generation_config": {"response_modalities": ["AUDIO"]}}
 
 pya = pyaudio.PyAudio()