diff --git a/Doc/Common/snippets.xml b/Doc/Common/snippets.xml
index a8e14cf8f6eee92d5865a436c06a9d9d6fd0a49d..6cac9fc1136370f3bc9f15b2e0b812199b25e937 100644
--- a/Doc/Common/snippets.xml
+++ b/Doc/Common/snippets.xml
@@ -43,10 +43,16 @@
 
 <emphasis role="red">┏━━━━━━━━━━━━━<emphasis role="red">┛</emphasis></emphasis>
 
-http://xahlee.info/comp/unicode_drawing_shapes.html
+http://xahlee.info/comp/unicode_drawing_shapes.html <co xml:id="dummy"/>
 
 
 </programlisting>
+
+      <calloutlist role="slideExclude">
+        <callout arearefs="dummy">
+          <para/>
+        </callout>
+      </calloutlist>
     </figure>
   </section>