diff --git a/pytd/client.py b/pytd/client.py
index dee9d72..382a5fc 100644
--- a/pytd/client.py
+++ b/pytd/client.py
@@ -201,7 +201,7 @@ def query(self, query, engine=None, **kwargs):
             - ``wait_interval`` (int): sleep interval until job finish
             - ``wait_callback`` (function): called every interval against job itself
             - ``engine_version`` (str): run query with Hive 2 if this parameter
-              is set to ``"experimental"`` and ``engine`` denotes Hive.
+              is set to ``"stable"`` and ``engine`` denotes Hive.
               https://docs.treasuredata.com/display/public/PD/Writing+Hive+Queries
 
             Meanwhile, when a following argument is set to ``True``, query is
diff --git a/pytd/pandas_td/__init__.py b/pytd/pandas_td/__init__.py
index b62de62..4c224f5 100644
--- a/pytd/pandas_td/__init__.py
+++ b/pytd/pandas_td/__init__.py
@@ -173,7 +173,7 @@ def read_td_query(
         - ``wait_interval`` (int): sleep interval until job finish
         - ``wait_callback`` (function): called every interval against job itself
         - ``engine_version`` (str): run query with Hive 2 if this parameter is
-          set to ``"experimental"`` in ``HiveQueryEngine``.
+          set to ``"stable"`` in ``HiveQueryEngine``.
           https://docs.treasuredata.com/display/public/PD/Writing+Hive+Queries
 
     Returns
diff --git a/pytd/query_engine.py b/pytd/query_engine.py
index 629e605..fdd471c 100644
--- a/pytd/query_engine.py
+++ b/pytd/query_engine.py
@@ -74,7 +74,7 @@ def execute(self, query, **kwargs):
             - ``wait_interval`` (int): sleep interval until job finish
             - ``wait_callback`` (function): called every interval against job itself
             - ``engine_version`` (str): run query with Hive 2 if this parameter
-              is set to ``"experimental"`` in ``HiveQueryEngine``.
+              is set to ``"stable"`` in ``HiveQueryEngine``.
               https://docs.treasuredata.com/display/public/PD/Writing+Hive+Queries
 
             Meanwhile, when a following argument is set to ``True``, query is
@@ -178,7 +178,7 @@ def _get_tdclient_cursor(self, con, **kwargs):
             - ``wait_interval`` (int): sleep interval until job finish
             - ``wait_callback`` (function): called every interval against job itself
             - ``engine_version`` (str): run query with Hive 2 if this parameter
-              is set to ``"experimental"`` in ``HiveQueryEngine``.
+              is set to ``"stable"`` in ``HiveQueryEngine``.
               https://docs.treasuredata.com/display/public/PD/Writing+Hive+Queries
 
         Returns
@@ -397,7 +397,7 @@ def cursor(self, force_tdclient=True, **kwargs):
             - ``wait_interval`` (int): sleep interval until job finish
             - ``wait_callback`` (function): called every interval against job itself
             - ``engine_version`` (str): run query with Hive 2 if this parameter
-              is set to ``"experimental"``.
+              is set to ``"stable"``.
               https://docs.treasuredata.com/display/public/PD/Writing+Hive+Queries
 
         Returns