Обсуждение: pgsql: doc: clarify wording about phantom reads

doc: clarify wording about phantom reads

Reported-by: akhilhello@gmail.com

Discussion: https://postgr.es/m/165222922369.669.10475917322916060899@wrigleys.postgresql.org

Backpatch-through: 10

Branch
------
master

Details
-------
https://git.postgresql.org/pg/commitdiff/a9a230e623e551889b325bc5d50d9929e4d11a22

Modified Files
--------------
doc/src/sgml/high-availability.sgml | 2 +-
doc/src/sgml/mvcc.sgml              | 7 ++++---
2 files changed, 5 insertions(+), 4 deletions(-)