The webfolder instructions are shown on browsers, which can not open a webfolder directly. You can use HTML code, and the following placeholders: <b>[WEBFOLDER_TITLE]</b>, <b>[WEBFOLDER_URI]</b>, <b>[WEBFOLDER_URI_IE]</b>, <b>[WEBFOLDER_URI_KONQUEROR]</b>, <b>[WEBFOLDER_URI_NAUTILUS]</b>, <b>[ADMIN_MAIL]</b>, <b>[IF_WINDOWS]</b>...<b>[/IF_WINDOWS]</b>, <b>[IF_MAC]</b>...<b>[/IF_MAC]</b>, <b>[IF_LINUX]</b>...<b>[/IF_LINUX]</b>. Clear the field to get the default instructions.