doc: PG 13 relnotes:  adjust UUID item, again
@@ -1807,7 +1807,7 @@ Author: Peter Eisentraut <peter@eisentraut.org>
<para>
Previously <acronym>UUID</acronym> generation functions were only
available via external modules <xref linkend="uuid-ossp"/> and <xref
- linkend="pgcrypto"/> were installed.
+ linkend="pgcrypto"/>.
</para>
</listitem>
