As long as they can get from the web which is the right hand, they will be OK. Just to make sure that they will be able to, I googled "what is the definition of right hand?" and I got,

The phrase "right hand" generally refers to the hand on the right side of the body.​

Not wishing to give up, I then googled "what is the definition of right side of the body?" and I got,

The right side of the body refers to the entire right half of a person's anatomy, determined by dividing the body down the exact vertical center (the midline). Crucially, this is always viewed from the perspective of the patient (the individual being examined), not the observer.​

I gave up.