doc: Improve description of data checksums

Michael Paquier <michael@paquier.xyz>

Commit: bd1b8d0ef2eb5f2a8765fbb3b74e0262c9983942
Author: Michael Paquier <michael@paquier.xyz>
Date: 2021-03-02T01:50:13Z
Releases: 14.0
doc: Improve description of data checksums

This partially reverts bcf2667 that got incorrectly merged, and this
improves the wording of the documentation that existed before that.

Per discussion with Justin Pryzby.

Discussion: https://postgr.es/m/20210301004647.GF20769@telsasoft.com

Files

PathChange+/−
doc/src/sgml/wal.sgml modified +8 −8

Documentation touched

Discussion