Merge branch 'jb/multi-pack-index-docfix' into maint

Doc fix. * jb/multi-pack-index-docfix: pack-format: correct multi-pack-index description

Junio C Hamano committed Feb 14, 2020 at 12:42 UTC 5cee4ffff8f660a55c342c5ec144b1992df0e805

No changes.