diff --git a/Doc/Sda1/xmlschema.xml b/Doc/Sda1/xmlschema.xml
index 9f27eac4f44f809645e0ac8e06a969434060b368..2187be13c25ddde529a8da9dd9e31a44177574f2 100644
--- a/Doc/Sda1/xmlschema.xml
+++ b/Doc/Sda1/xmlschema.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<chapter version="5.1" xml:id="xmlSchema"
+<chapter annotations="slide" version="5.1" xml:id="xmlSchema"
          xmlns="http://docbook.org/ns/docbook"
          xmlns:xlink="http://www.w3.org/1999/xlink"
          xmlns:xila="http://www.w3.org/2001/XInclude/local-attributes"