You should add a whistle in case you need to call for help your voice is good for an hour a whistle for days.
you have a lighter but no way to start a fire easily should add a candle or some wax soaked dryer lint with cotton wicks saves your lighter fuel and easier to keep lit when wet.
A small mylar emergency blanket is a definite add
should have sock and blister pads in bag as you will only go as far as your feet let you. can smell like open sewer and live but can walk a mile with blistered feet from wet socks.
For nicety too add some bug repellant if not allergic to peanuts some peanut butter super dense food group (calorie) with long shelf life and no refrigeration. plus works for snare bait.
and a roll of duct tape…is there nothing this stuff cant do… from an old Canadian show red green If the women don’t find you handsome, they should at least find you handy.