diff --git a/doc/src/sgml/release-9.1.sgml b/doc/src/sgml/release-9.1.sgml
index e0da29f6446..5671682b3f1 100644
--- a/doc/src/sgml/release-9.1.sgml
+++ b/doc/src/sgml/release-9.1.sgml
@@ -646,7 +646,8 @@
 
      <listitem>
       <para>
-       Allow synchronous replication (Simon Riggs, Fujii Masao)
+       Allow <link linkend="synchronous-replication">synchronous
+       replication</link> (Simon Riggs, Fujii Masao)
       </para>
 
       <para>