diff --git a/src/llama_index_cloud_sql_pg/chat_store.py b/src/llama_index_cloud_sql_pg/chat_store.py
index db277e9..bb3b4ba 100644
--- a/src/llama_index_cloud_sql_pg/chat_store.py
+++ b/src/llama_index_cloud_sql_pg/chat_store.py
@@ -36,7 +36,7 @@ def __init__(
         Args:
             key (object): Key to prevent direct constructor usage.
             engine (PostgresEngine): Database connection pool.
-            chat_store (AsyncPostgresChatStore): The async only IndexStore implementation
+            chat_store (AsyncPostgresChatStore): The async only ChatStore implementation
 
         Raises:
             Exception: If constructor is directly called by the user.