Fix grammar in documentation related to checkpoint_flush_after
Reported-by: Christopher Jones
Branch------REL9_6_STABLE
Details-------https://git.postgresql.org/pg/commitdiff/256d43128d21891b6090e6fc19668e27da04764b
Modified Files--------------doc/src/sgml/wal.sgml | 4 ++--1 file changed, 2 insertions(+), 2 deletions(-)
