Fix grammar

Magnus Hagander <magnus@hagander.net>

Commit: 68392a2af7f0b590859aad6205d1734aae3a2690
Author: Magnus Hagander <magnus@hagander.net>
Date: 2017-03-08T03:46:39Z
Releases: 9.5.7
Fix grammar

Reported by Jeremy Finzel

Files

PathChange+/−
doc/src/sgml/wal.sgml modified +1 −1