Addenda contain fixed language in prescribed sections. Although they are formal legal documents, you do not have to use them exactly the way they appear.
The important thing to remember is that addenda give you options and legal language which work in your favor but you can use them however you wish.
The Scholar’s Copyright Addendum Engine is essentially a build-your-own addendum generator. It offers 3 options:
They also offer a generic version of the original MIT amendment.
All of the models:
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