BPMN21 — wrong word for parallel multi instance in description

The attributes of Tasks and Sub-Processes
will determine if they are repeated or
performed once (see page 190). A set of three
horizontal lines will be displayed at the
bottom-center of the activity for sequential
Multi-Instances (see upper figure to the right).
A set of three vertical lines will be displayed at
the bottom-center of the activity for sequential
Multi-Instances (see lower figure to the right).

Above the description of the multi instances from the document.
In the last sentence the parallel multi instance ist described. But instead of using the word parallel its sequential.

Best regards, Jan