diff --git a/reference/ldap/constants.xml b/reference/ldap/constants.xml
index 324a402460..aec7457004 100644
--- a/reference/ldap/constants.xml
+++ b/reference/ldap/constants.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="iso-8859-1"?>
-<!-- $Revision: 1.5 $ -->
+<!-- $Revision: 1.6 $ -->
 <appendix xml:id="ldap.constants" xmlns="http://docbook.org/ns/docbook">
  &reftitle.constants;
  &extension.constants;
@@ -89,7 +89,7 @@
    </term>
    <listitem>
     <simpara>
-     Option for ldap_set_option() to allow setting network timeout.
+     Option for <function>ldap_set_option</function> to allow setting network timeout.
      (Available as of PHP 5.3.0)
     </simpara>
    </listitem>