A footnote is an annotation with additional information usually provided at the end of a page, chapter, or book. We recommend avoiding footnotes because they aren't accessible and can present challenges for localization efforts.
Instead of a footnote, consider using the following formats to convey information:
If the only way to convey this information is to use a footnote, then use a superscript
number—for example, <sup>1</sup>.
Recommended: You want to add a footnote to this sentence.1
1 Put this footnote at the bottom of the page.