% the pages of the TOC are numbered roman
% and a PDF-bookmark for the TOC is added
-\pagenumbering{Roman}
+\pagenumbering{roman}
\let\myTOC\tableofcontents
\renewcommand{\tableofcontents}{%
\vspace{1cm}
- \pdfbookmark[1]{Contents}{}
+ \pdfbookmark[1]{\contentsname}{}
\myTOC
\cleardoublepage
\pagenumbering{arabic}}