When Jodi gets stabbed with the stake it impaled her in the chest, specifically right into the middle of her right breast. But afterwards the wound appears to be on her right shoulder when she has her hand over it.
At about 24 minutes in; Honor goes to light a lantern with her lighter but you can clearly see the LED lights at the base of the glass on the lantern. The lantern is a modern one that takes batteries and does not have a wick to light.