• The basic syntax is to append square brackets without a space to the end of the sentence you are footnoting.
  • Inside the brackets, you begin with a caret symbol (^) followed by a label that connects the citation number to the footnote text. Citation numbers are autogenerated when the markdown file is processed, regardless of the label’s text.
This is an example sentence.[^label]

[^label]: footnote text is displayed at the end of the page.

Multiple References to the Same Footnote 

This is mentioned earlier.[^1] This refers to the same footnote.[^1]