diff --git a/reference/pdo_4d/sql4d.xml b/reference/pdo_4d/sql4d.xml
index 19f7abc151..f371cd3d5b 100644
--- a/reference/pdo_4d/sql4d.xml
+++ b/reference/pdo_4d/sql4d.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="utf-8"?>
-<!-- $Revision: 1.1 $ -->
+<!-- $Revision: 1.2 $ -->
 
 <refentry xml:id="ref.pdo-4d.sql4d" xmlns="http://docbook.org/ns/docbook" xmlns:xlink="http://www.w3.org/1999/xlink">
  <refnamediv>
@@ -12,9 +12,9 @@
   <para>
    4D implements strictly the ANSI 89 standard, and have it enforced.
    It is highly recommended to read the 4D SQL documentation to learn
-   about the available commands. The URL of the manual is : 
-   <link xlink:href="&url.4d.doc;">&url.4d.doc;</link>.
-   Below is a list of 4D SQL characteristics: it is not exhaustive, 
+   about the available commands. <!--The URL of the manual is :
+   <link xlink:href="&url.4d.doc;">&url.4d.doc;</link>. -->
+   Below is a list of 4D SQL characteristics: it is not exhaustive,
    but may serve as an introduction.
   </para>
   <para>