text from db

doc/guide/transactions-and-threading.rst

@@ -188,7 +188,7 @@ So, for example, if we wanted to set a transaction note::
 
    >>> exec(src)
    >>> (db.history(conn.root()._p_oid)[0]['description'] ==
-   ...  b'incrementing x again')
+   ...  u'incrementing x again')
    True
 
 Here, we used the