Endnote (noun)

1. A note placed at the end of a document or section, typically providing additional information or sources.
2. A note or comment placed at the end of a document or section, typically providing additional information or sources for the material that has been presented.

Origin:

End + note.

Examples:

1. He used endnotes to cite his sources.
2. The endnotes provided additional information on the topic.
3. The endnotes gave credit to the original author.
4. He included an endnote for clarification.
5. The endnotes were an important part of the research.