-Details about the config parameters can be found in the config files
-or in the wiki: http://trac.roundcube.net/trac.cgi/wiki/Howto_Config
+Details about the config paramaters can be found in the config files.
+
+You can also modify the default .htaccess file. This is necessary to
+increase the allowed size of file attachments, for example:
+ php_value upload_max_filesize 2M
+
+To enable the experimental HTML editor you need to set the config
+parameter 'enable_htmleditor' to true.