diff --git a/litellm/llms/gemini/realtime/transformation.py b/litellm/llms/gemini/realtime/transformation.py
index 36af5179b46..ca6258c5cb3 100644
--- a/litellm/llms/gemini/realtime/transformation.py
+++ b/litellm/llms/gemini/realtime/transformation.py
@@ -111,7 +111,10 @@ class GeminiRealtimeConfig(BaseRealtimeConfig):
         return True
 
     def _strip_native_audio_speech_config(self) -> bool:
-        """Google AI Studio native-audio Live was never verified to accept ``speechConfig`` on setup; Vertex AI accepts it."""
+        """Google AI Studio native-audio Live was never verified to accept ``speechConfig`` on setup.
+
+        Vertex AI accepts it and reads the requested voice.
+        """
         return True
 
     @staticmethod
diff --git a/tests/test_litellm/llms/gemini/realtime/test_gemini_realtime_transformation.py b/tests/test_litellm/llms/gemini/realtime/test_gemini_realtime_transformation.py
index b18bf677e84..dc2e3963dfc 100644
--- a/tests/test_litellm/llms/gemini/realtime/test_gemini_realtime_transformation.py
+++ b/tests/test_litellm/llms/gemini/realtime/test_gemini_realtime_transformation.py
@@ -1868,7 +1868,10 @@ def test_is_setup_message_and_is_content_message():
 
 
 def test_map_openai_params_maps_stock_voice_case_insensitively():
-    """Regression: OpenAI stock voices map to Gemini prebuilt voices regardless of casing; unknown names pass through."""
+    """Regression: OpenAI stock voices map to Gemini prebuilt voices regardless of casing.
+
+    Unknown names pass through verbatim.
+    """
     cfg = GeminiRealtimeConfig()
 
     mapped = cfg.map_openai_params(optional_params={}, non_default_params={"voice": "Alloy"})