diff --git a/doc/src/sgml/release-9.1.sgml b/doc/src/sgml/release-9.1.sgml
index 9a6ee0a50e..a506329aef 100644
--- a/doc/src/sgml/release-9.1.sgml
+++ b/doc/src/sgml/release-9.1.sgml
@@ -367,6 +367,24 @@
 
    </sect3>
 
+   <sect3>
+    <title>Contrib</title>
+
+    <itemizedlist>
+
+     <listitem>
+      <para>
+       All contrib modules are now installed with <link
+       linkend="SQL-CREATEEXTENSION"><command>CREATE EXTENSION</></link>
+       rather than by manually invoking their SQL scripts
+       (Dimitri Fontaine, Tom Lane)
+      </para>
+     </listitem>
+
+    </itemizedlist>
+
+   </sect3>
+
    <sect3>
     <title>Other Incompatibilities</title>