Fix grammar in documentation related to checkpoint_flush_after

Michael Paquier <michael@paquier.xyz>

Commit: d61bfdda8c2cae671ca4a252993bb8feaa619285
Author: Michael Paquier <michael@paquier.xyz>
Date: 2018-06-11T00:54:25Z
Releases: 11.0
Fix grammar in documentation related to checkpoint_flush_after

Reported-by: Christopher Jones

Files

PathChange+/−
doc/src/sgml/wal.sgml modified +2 −2

Documentation touched