Additionally, you should document any modification to a promissory note. This is necessary in order to preserve your rights as a creditor.A Deed of Trust is typically used in combination with a Promissory Note or Mortgage Agreement which sets out the amount and terms of the loan agreement. Michigan's Trust Code permits an irrevocable trust to be modified, but ultimately a probate judge must approve of that modification. This article discusses the typical modifications of a note and reviews the use of a note modification agreement and the modification of note forms. (888) 679-MERS. Documents. (E). Loan No: 1900602310RA. MODIFICATION OF DEED OF TRUST. (Continued). Find out if you qualify for a loan modification and how to begin the process. Contact our Michigan bankruptcy lawyers today!