pgsql: docs: clarify new aggressive vacuum mode for multi-xacts

docs: clarify new aggressive vacuum mode for multi-xacts

Reported-by: eric.mutta@gmail.com

Discussion: /messages/by-id/162395467510.686.11947486273299446208@wrigleys.postgresql.org

Backpatch-through: 14

Branch
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master

Details
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https://git.postgresql.org/pg/commitdiff/c552e171d16e461c7af60cfe1a891c87be9cbbbf

Modified Files
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doc/src/sgml/maintenance.sgml | 16 ++++++++--------
1 file changed, 8 insertions(+), 8 deletions(-)