doc: restore intentional typo

Andrew Gierth <rhodiumtoad@postgresql.org>

Commit: 8a47b775a16fb4f1e154c0f319a030498e123164
Author: Andrew Gierth <rhodiumtoad@postgresql.org>
Date: 2020-04-11T07:04:57Z
Releases: 13.0
doc: restore intentional typo

Commit ac8623760 "fixed" a typo in an example of what would happen in
the event of a typo. Restore the original typo and add a comment about
its intentionality. Backpatch to 12 where the error was introduced.

Per report from irc user Nicolás Alvarez.

Files

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

Documentation touched