Replacing image by video

Doc/Sd1/appendix.xml

@@ -362,9 +362,9 @@
         <title>Running the currency converter terminal application.</title>
 
         <mediaobject>
-          <imageobject>
-            <imagedata fileref="Ref/Video/currencyConverter.webm"/>
-          </imageobject>
+          <videoobject>
+            <videodata fileref="Ref/Video/currencyConverter.webm"/>
+          </videoobject>
         </mediaobject>
       </figure>