diff --git a/Doc/Sdi/ldap.xml b/Doc/Sdi/ldap.xml
index d0194a2dfe144320b0370481a9d31a34d1c02d59..882e830e0109e6a1f3c059415c48dbec30c5c1a1 100644
--- a/Doc/Sdi/ldap.xml
+++ b/Doc/Sdi/ldap.xml
@@ -667,10 +667,30 @@ modifying entry "olcDatabase={0}config,cn=config"</programlisting>
 
       <para>Depending on your database backend choice you may have to alter
       the <link
-      xlink:href="https://help.ubuntu.com/lts/serverguide/openldap-server.html#openldap-provider-configuration">installation
-      procedure</link> by replacing <quote>hdb</quote> with <quote>mdb</quote>
+      xlink:href="http://www.zytrax.com/books/ldap/ch7/#ol-syncrepl-rap-olc">installation
+      procedure</link> by replacing <quote>bdb</quote> with <quote>mdb</quote>
       accordingly both on the provider and the consumer side.</para>
 
+      <para>Hints:</para>
+
+      <orderedlist>
+        <listitem>
+          <para>Activating the syncprov overlay requires an additional
+          <property>olcModuleLoad</property> value:</para>
+
+          <programlisting language="none">dn: cn=module{0},cn=config
+objectClass: olcModuleList
+cn: module{0}
+olcModuleLoad: {0}back_mdb
+<emphasis role="bold">olcModuleLoad: {1}syncprov</emphasis>
+olcModulePath: /usr/lib/ldap</programlisting>
+        </listitem>
+
+        <listitem>
+          <para/>
+        </listitem>
+      </orderedlist>
+
       <para>Check for provider changes being propagated to the
       consumer.</para>