chore: change footnotes instructions

rag/rag.py

@@ -46,7 +46,7 @@ Guidelines for your answer:
 6. Cite the relevant sentences from the snippets and their page numbers to support your answer.
 7. Answer in MFAQ format (Minimal Facts Answerable Question), providing the most concise and accurate response possible.
 8. Use Markdown to format your response and include citation footnotes to indicate the snippets and the page number used to derive your answer.
-9. Your answer must only have two headings: 'Answer' and 'Footnotes'.
+9. Your answer must always contain footnotes citing the snippets used to derive the answer.
 
 Here's an example of a question and an answer. You must use this as a template to format your response: