User blog comment:Kirkburn/VisualEditor - the past, present and future/@comment-961279-20140604152502/@comment-303594-20140604163254

Quickly testing this on communitytest, there's a box that shows up after saving asking for a summary. Might be that users just ignore it though. There's no real text to say anything but "summary". Perhaps changing the string to "Please provide a short summary of your edit"?