The original documentation from 7b5cf8be18 (vimdiff: add tool
documentation, 2022-03-30) mistakenly described the marker as an
asterisk, which is the character "*". The code and examples have always
looked for an arobase ("@").
Signed-off-by: D. Ben Knoble <ben.knoble+github@gmail.com>
Acked-by: Fernando Ramos <greenfoo@u92.eu>
Signed-off-by: Junio C Hamano <gitster@pobox.com>