Fix "unparenthesized" mention in vacuum docs.
Branch------master
Details-------http://git.postgresql.org/pg/commitdiff/ea5c4c71f610712a0d492fd39a0d9db102b6054f
Modified Files--------------doc/src/sgml/ref/vacuum.sgml | 2 +-1 files changed, 1 insertions(+), 1 deletions(-)
