MKMWr‖Reference
6LFFX‖A submenu that offers possibilities to edit footnotes, endnotes, index entries, and bibliography entries.
    
ebLJB‖From the menu bar:
    CB5Dg‖Choose .
    
    
        
            
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Edits the selected footnote or endnote anchor. Click in front of the footnote or endnote, and then choose this command. 
b6WK8‖Edits the selected index entry.
Edits the selected bibliography entry.