diff --git a/Doc/DbDevel/dbDevel.xml b/Doc/DbDevel/dbDevel.xml
index b29e4ca081fdb21862c86578a45e6f089af85f15..d7aa386dc98791463c4cdc07d91071aa8ccdb141 100644
--- a/Doc/DbDevel/dbDevel.xml
+++ b/Doc/DbDevel/dbDevel.xml
@@ -10,7 +10,7 @@
       xmlns:db="http://docbook.org/ns/docbook">
   <title>113473 Database and application development</title>
 
-  <chapter xml:id="chap_dbDevel_dbFeatures">
+  <chapter annotations="slide" xml:id="chap_dbDevel_dbFeatures">
     <title>Database features</title>
 
     <figure xml:id="fig_dbDevel_dbFeatures_CRUD">
@@ -178,7 +178,7 @@ print(fivestar)</programlisting></td>
     </figure>
   </chapter>
 
-  <chapter xml:id="chap_dbDevel_dbOverview">
+  <chapter annotations="slide" xml:id="chap_dbDevel_dbOverview">
     <title>Selected database products overview</title>
 
     <figure xml:id="fig_dbDevel_dbOverview_installDocker">
@@ -417,8 +417,7 @@ osixia/openldap:1.4.0 <co
 
           <itemizedlist>
             <listitem>
-              <para><xref linkend="glo_DIT"/>:Document information tree
-              </para>
+              <para><xref linkend="glo_DIT"/>:Document information tree</para>
             </listitem>
 
             <listitem>