Customize addendum email

Summary:

Is there a way to customize the Addendum email that is sent to the supplier when a new addendum is created?

Content (required):

When a new addendum is created by the buyer, an email is automatically sent to the supplier to inform him of the new addendum. We want to customize this email to add further text explaining the steps to be taken in order to approve the addendum if the supplier is not using the portal.

Version (include the version you are using, if applicable):

22B

Code Snippet (add any code snippets that support your topic, if applicable):