diff --git a/reference/ldap/book.xml b/reference/ldap/book.xml
index ab66b8e830..64c39aa2af 100644
--- a/reference/ldap/book.xml
+++ b/reference/ldap/book.xml
@@ -79,7 +79,7 @@
    </listitem>
    <listitem>
     <para>
-     Internet Engineering Taskforce RFCs <link xlink:href="&url.ietf.rfc;rfc4510">4510</link> through <link xlink:href="&url.ietf.rfc;rfc4519">4519</link>.
+     Internet Engineering Taskforce RFCs <link xlink:href="&url.rfc;rfc4510">4510</link> through <link xlink:href="&url.rfc;rfc4519">4519</link>.
     </para>
    </listitem>
   </itemizedlist>
diff --git a/reference/ldap/functions/ldap-search.xml b/reference/ldap/functions/ldap-search.xml
index 83b6a2a7ac..bec29b692c 100644
--- a/reference/ldap/functions/ldap-search.xml
+++ b/reference/ldap/functions/ldap-search.xml
@@ -69,7 +69,7 @@
        The search filter can be simple or advanced, using boolean operators in
        the format described in the LDAP documentation (see the <link
        xlink:href="&url.ldap.filters;">Netscape Directory SDK</link> or
-       <link xlink:href="&url.ietf.rfc;rfc4515">RFC4515</link> for full
+       <link xlink:href="&url.rfc;rfc4515">RFC4515</link> for full
        information on filters).
       </para>
      </listitem>