diff --git a/doc/src/sgml/ref/create_extension.sgml b/doc/src/sgml/ref/create_extension.sgml
index 818bc0c..e862c7f 100644
*** a/doc/src/sgml/ref/create_extension.sgml
--- b/doc/src/sgml/ref/create_extension.sgml
*************** CREATE EXTENSION hstore;
*** 153,158 ****
--- 153,169 ----
  </programlisting>
    </para>
  
+   <note>
+    <para>
+     For more information on how to use
+     <command>CREATE EXTENSION</command> to install modules
+     found in <productname>PostgreSQL</productname>'s
+     <literal>contrib</literal> directory, such as the hstore
+     extension, please see
+     <link linkend="contrib">Additional Supplied Modules</link>.
+    </para>
+   </note>
+ 
    <para>
     Update a pre-9.1 installation of <literal>hstore</> into
     extension style: