diff --git a/Doc/Sdi/apache.xml b/Doc/Sdi/apache.xml
index adf4b655023e98e0f9d80ae47ed4a7aea2443009..73349b084d013cecc17af100af3b23db542b537f 100644
--- a/Doc/Sdi/apache.xml
+++ b/Doc/Sdi/apache.xml
@@ -206,7 +206,7 @@
     </section>
 
     <section xml:id="sdiSectLdapAdministration">
-      <title>LDAP data administration</title>
+      <title><xref linkend="glo_LDAP_topentry"/> data administration</title>
 
       <para>Install <link
       xlink:href="https://www.ldap-account-manager.org/lamcms">LDAP Account
@@ -216,7 +216,7 @@
     </section>
 
     <section xml:id="sdiSectMysqlAdmin">
-      <title>Mysql database administration</title>
+      <title><xref linkend="glo_Soft_Mysql"/> database administration</title>
 
       <orderedlist>
         <listitem>