diff --git a/google/genai/types.py b/google/genai/types.py
index f99fbd070..c5016b9d2 100644
--- a/google/genai/types.py
+++ b/google/genai/types.py
@@ -1228,7 +1228,7 @@ class StartSensitivity(_common.CaseInSensitiveEnum):
   """Start of speech sensitivity."""
 
   START_SENSITIVITY_UNSPECIFIED = 'START_SENSITIVITY_UNSPECIFIED'
-  """The default is START_SENSITIVITY_LOW."""
+  """The default is START_SENSITIVITY_LOW for Gemini Enterprise Agent Platform and START_SENSITIVITY_HIGH for Live Music."""
   START_SENSITIVITY_HIGH = 'START_SENSITIVITY_HIGH'
   """Automatic detection will detect the start of speech more often."""
   START_SENSITIVITY_LOW = 'START_SENSITIVITY_LOW'