Improved release notes interval wording:

bmomjian · bmomjian · commit e106b0a70ebd · 2009-03-27T00:08:14.000Z
Made interval seconds rounding more consistent across output
       formats (Ron Mayer)

Ron Mayer
diff --git a/doc/src/sgml/release.sgml b/doc/src/sgml/release.sgml
@@ -1,4 +1,4 @@
-<!-- $PostgreSQL: pgsql/doc/src/sgml/release.sgml,v 1.600 2009/03/27 00:06:14 momjian Exp $ -->
+<!-- $PostgreSQL: pgsql/doc/src/sgml/release.sgml,v 1.601 2009/03/27 00:08:14 momjian Exp $ -->
 <!--
 
 Typical markup:
@@ -1479,8 +1479,8 @@ do it for earlier branch release files.
 
      <listitem>
       <para>
-       Increase the number of fractional seconds digits displayed by intervals (Ron
-       Mayer)
+       Made interval seconds rounding more consistent across output
+       formats (Ron Mayer)
       </para>
      </listitem>
 
