Simply staple a piece of paper to the original will, and the job is done.
What remains, of course, is to securely store that piece of paper.
Oops! Back to square one.
Not an issue. I'm planning a what-if guide for my daughters, with a whole range of things like people to contact and things to be done, et cetera, which I will provide them in a password protected PDF. This information could simply be there.
ryck
"What Were Once Vices Are Now Habits" The Doobie Brothers