Fix closing `td` tag
Fix closing `td` tag

As proposed by
https://github.com/flaviocopes/grav-plugin-shoppingcart/pull/23

flaviocopes/grav-plugin-shoppingcart,flaviocopes/grav-plugin-shoppingcart,flaviocopes/grav-plugin-shoppingcart,flaviocopes/grav-plugin-shoppingcart