This is an old revision of the document!
You have to install xsltprox and XSL files for docbook.
After you update the XML files from 'modules[_k|s]/modname/doc/file.xml', run the command:
make modules-readme modules=modules[_k|s]/modname
Examples:
make modules-readme modules=modules/tm
make modules-readme modules=modules_k/dispatcher