diff --git a/fastapi_cachex/state/manager.py b/fastapi_cachex/state/manager.py
index b4a874d..c78f962 100644
--- a/fastapi_cachex/state/manager.py
+++ b/fastapi_cachex/state/manager.py
@@ -118,8 +118,8 @@ async def create_state(
         Returns:
             The generated state string
 
-        Raises:
-            StateDataError: If backend storage fails
+        Notes:
+            Exceptions raised by the configured backend propagate unchanged.
         """
         # Generate a random state string (32 bytes = 256 bits of entropy)
         state = secrets.token_urlsafe(32)