When the function is invoked, the special method
:meth:`.DefaultExecutionContext.get_current_parameters` is available from
-the context object (an subclass of :class:`.DefaultExecutionContext`). This
+the context object (a subclass of :class:`.ExecutionContext`). This
method returns a dictionary of column-key to values that represents the
full set of values for the INSERT or UPDATE statement. In the case of a
multi-valued INSERT construct, the subset of parameters that corresponds to