diff --git a/examples/foundational/21-tavus-layer.py b/examples/foundational/21-tavus-layer.py
index f985bfba1..03048f0eb 100644
--- a/examples/foundational/21-tavus-layer.py
+++ b/examples/foundational/21-tavus-layer.py
@@ -39,7 +39,6 @@ async def main():
         tavus = TavusVideoService(
             api_key=os.getenv("TAVUS_API_KEY"),
             replica_id=os.getenv("TAVUS_REPLICA_ID"),
-            persona_id=os.getenv("TAVUS_PERSONA_ID", "pipecat0"),
             session=session,
         )
 
diff --git a/src/pipecat/services/tavus.py b/src/pipecat/services/tavus.py
index df41a9fc9..4b702f59d 100644
--- a/src/pipecat/services/tavus.py
+++ b/src/pipecat/services/tavus.py
@@ -35,7 +35,7 @@ def __init__(
         *,
         api_key: str,
         replica_id: str,
-        persona_id: str = "pipecat0",
+        persona_id: str = "pipecat0",  # Use `pipecat0` so that your TTS voice is used in place of the Tavus persona
         session: aiohttp.ClientSession,
         **kwargs,
     ) -> None: