doc PG 17 relnotes: move FETCH_COUNT item, and clarify

Backpatch-through: master

doc/src/sgml/release-17.sgml

@@ -1935,17 +1935,6 @@ This is enabled with the client-side option sslnegotation=direct, requires ALPN,
 
      <itemizedlist>
 
-<!--
-Author: Tom Lane <tgl@sss.pgh.pa.us>
-2024-04-06 [90f517821] Re-implement psql's FETCH_COUNT feature atop libpq's chu
--->
-
-<listitem>
-<para>
-Allow FETCH_COUNT to work with non-SELECT queries (Daniel Vérité)
-</para>
-</listitem>
-
 <!--
 Author: Tom Lane <tgl@sss.pgh.pa.us>
 2023-11-13 [d1379ebf4] Improve default and empty privilege outputs in psql.
@@ -1991,6 +1980,17 @@ The parameter is "min_rows".
 </para>
 </listitem>
 
+<!--
+Author: Tom Lane <tgl@sss.pgh.pa.us>
+2024-04-06 [90f517821] Re-implement psql's FETCH_COUNT feature atop libpq's chu
+-->
+
+<listitem>
+<para>
+Allow psql to honor FETCH_COUNT for non-SELECT queries (Daniel Vérité)
+</para>
+</listitem>
+
 <!--
 Author: Michael Paquier <michael@paquier.xyz>
 2023-06-30 [c951e9042] Add tab completion for CREATE SCHEMA in psql