A trust amendment is a legally binding document designed to modify one or more provisions within your living trust. If you are submitting a certified copy of the document, submit the complete certified copy and then attach a page stating your correction at the back.Have you recently noticed an error on a deed that needs correction? THIS INDENTURE, made this day of. Ownership Information. A trust amendment form is a legal document you use to make changes to your revocable trust. It isn't meant to change your trust document as a whole. Fill in the blank form formatted to comply with all recording and content requirements. An original RP-5217 form must accompany all deeds and correction deeds upon filing with the Recording Officer. A filing fee is also required.