Обсуждение: pgsql: Fix grammar in documentation related to checkpoint_flush_after

Fix grammar in documentation related to checkpoint_flush_after

Reported-by: Christopher Jones

Branch
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REL_10_STABLE

Details
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https://git.postgresql.org/pg/commitdiff/858571843c8affff5a69527faa3e57f8adfa4165

Modified Files
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doc/src/sgml/wal.sgml | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)