diff --git a/src/pipecat/services/openai/realtime/events.py b/src/pipecat/services/openai/realtime/events.py
index f52298ab3..3ca2f76c0 100644
--- a/src/pipecat/services/openai/realtime/events.py
+++ b/src/pipecat/services/openai/realtime/events.py
@@ -170,10 +170,8 @@ class SessionProperties(BaseModel):
         object: Object type identifier, always "realtime.session".
         id: Unique identifier for the session.
         model: The Realtime model used for this session.
-            Note: The model is set at connection time via the WebSocket URL query
-            parameter and cannot be changed during the session. This field is populated
-            by the server in session.created and session.updated responses, but is effectively
-            a no-op for session.update requests.
+            Note: The model is set at connection time via model arg in __init__
+            and cannot be changed during the session.
         output_modalities: The set of modalities the model can respond with.
         instructions: System instructions for the assistant.
         audio: Configuration for input and output audio.