Hi morktron,
Please try edit your view, use table layout mode, edit the codes in section "Layout HTML/CSS/JS" as what you need, left the shortcode in your content:
[wpv-heading name="types-field-completion-date"]completion date[/wpv-heading]
See the demo page:
http://luo156.discover-wp.com/frontend-filter-to-sort-projects-by-custom-field-date/
user/pass: xgren/111111
Views using:
http://luo156.discover-wp.com/wp-admin/admin.php?page=views-editor&view_id=25