false positive found in license text:

    Copyright (C)  year  your name.
    Permission is granted to copy, distribute and/or modify this document
    under the terms of the GNU Free Documentation License, Version 1.3
    or any later version published by the Free Software Foundation;
    with the Invariant Sections being list their titles, with
    the Front-Cover Texts being list, and with the Back-Cover Texts
    being list.
    A copy of the license is included in the section entitled ``GNU Free Documentation License''.