Fix documentation mistake (#7018)

diff --git a/doc/build/orm/declarative_config.rst b/doc/build/orm/declarative_config.rst
index 1f4fd0121c64f7fee2d85a29040d5ac12ee34420..9240d9011b27657ad7c6e24ad9aa930c6c35d9e0 100644 (file)
--- a/doc/build/orm/declarative_config.rst
+++ b/doc/build/orm/declarative_config.rst
@@ -287,7 +287,7 @@ be illustrated using :meth:`_orm.registry.mapped` as follows::
         id = Column(Integer, primary_key=True)
 
     @reg.mapped
-    class ClassThree(BaseOne):
+    class ClassThree(BaseTwo):
         __tablename__ = 't1'  # will use BaseTwo.metadata
 
         id = Column(Integer, primary_key=True)