fix sphinx reference

diff --git a/lib/sqlalchemy/orm/session.py b/lib/sqlalchemy/orm/session.py
index 7641905f03608cca5f52dc278468755f398b7d80..5b33ca1a2acdb69a2fe950bc7f2ac3ec583ab706 100644 (file)
--- a/lib/sqlalchemy/orm/session.py
+++ b/lib/sqlalchemy/orm/session.py
@@ -147,7 +147,7 @@ def sessionmaker(bind=None, class_=None, autoflush=True, autocommit=False,
 
     twophase
       When ``True``, all transactions will be started using
-      :mod:~sqlalchemy.engine_TwoPhaseTransaction. During a ``commit()``, after
+      :mod:`~sqlalchemy.engine_TwoPhaseTransaction`. During a ``commit()``, after
       ``flush()`` has been issued for all attached databases, the
       ``prepare()`` method on each database's ``TwoPhaseTransaction`` will be
       called. This allows each database to roll back the entire transaction,