doc: PG 16 relnotes: clarify "relation" segsize mention

bmomjian · bmomjian · commit e391939b76f9 · 2023-09-26T12:08:49.000-04:00
Reported-by: harukat@sraoss.co.jp Discussion: https://postgr.es/m/18124-d363fa4873e176d6@postgresql.org Backpatch-through: 16 only
diff --git a/doc/src/sgml/release-16.sgml b/doc/src/sgml/release-16.sgml
@@ -3369,8 +3369,8 @@ Author: Andres Freund <andres@anarazel.de>
 
      <listitem>
       <para>
-       Add build option to allow testing of small <acronym>WAL</acronym>
-       segment sizes (Andres Freund)
+       Add build option to allow testing of small table segment sizes
+       (Andres Freund)
       </para>
 
       <para>
