doc: fix typo in release notes

Bruce Momjian <bruce@momjian.us>

Commit: ca4967903dff9e7ac86d4a146a4aebc9046009b0
Author: Bruce Momjian <bruce@momjian.us>
Date: 2013-10-09T12:44:52Z
Releases: 9.0.15
doc:  fix typo in release notes

Backpatch through 8.4

Per suggestion by Amit Langote

Files

PathChange+/−
doc/src/sgml/release-8.4.sgml modified +2 −2
doc/src/sgml/release-9.0.sgml modified +2 −2