To avoid the expense of having a new Will drawn up, minor alterations can be made to an existing Will by means of a codicil, which is an amending document.
Sample Codicil to a Will
[Date of Codicil]
This is a codicil to the Last Will and Testament of [Name], of [Address], to my will dated [Date of Will].
I leave to the Alberta Lung [Details of gift: specify whether sum of money, percentage, residual or contingency].
I direct that the receipt of the Treasurer for the time being, or other designated officer of the Alberta Lung Association, be sufficient discharge for my trustees for the payment of said bequest.
All other terms in my will remain the same.
[Signatures of two witnesses: neither they nor their spouses can take benefit from the will]