Improve grammar and spelling in durability discussion.
Branch------master
Details-------http://git.postgresql.org/gitweb?p=postgresql.git;a=commitdiff;h=85f345bec2d7f2ccb67b98b06342c86372ecf3b1
Modified Files--------------doc/src/sgml/perform.sgml | 11 ++++++-----1 files changed, 6 insertions(+), 5 deletions(-)
