LaTeX.org

I'm adding that to my preamble and now I get:

\addto
{\captionsdanish}{\renewcommand*{\contentsname}{Table of contents}}
The control sequence at the end of the top line
of your error message was never \def'ed. If you have
misspelled it (e.g., `\hobx'), type `I' and the correct
spelling (e.g., `I ...

I've tried these methods in Lyx without luck. But via 'Insert TeX Code' and the Documents - Settings Latex Preamble.

For some reason my documents keeps calling the table of contents for 'Contents' ..

Any ideas?