1. Open the document and place the cursor behind the word we need to annotate. For example, the real estate in the picture is three words and then referenced, click the key on the footnote.
2, in the Footnote and endnote command box, select the footnote, in the numbering format to select the number format we need, is usually to select the number with the circle.
3, then we also need to change the number of each page renumber, and then click Insert.
4, the cursor automatically jumps to the end of the page, now just put "real estate" we need to add the annotation to write on it.