diff --git a/doc/Analytics.xml b/doc/Analytics.xml
index 6af9a5473..d52f5fa22 100644
--- a/doc/Analytics.xml
+++ b/doc/Analytics.xml
@@ -888,7 +888,7 @@
         </section>
         <section xml:id="_Ref485906999">
           <title>Object Class descriptor</title>
-          <para>A Class Descriptor is defined as an optional element of the appearance node of an abject node. The class descriptor is defined by a list of object classes together with a likelihood that the corresponding object belongs to this class. The sum of the likelihoods shall not exceed 1.</para>
+          <para>A Class Descriptor is defined as an optional element of the appearance node of an object node. The class descriptor is defined by a list of object classes together with a likelihood that the corresponding object belongs to this class. The range of likelihood is [0..1].</para>
           <para>The following example shows an object metadata sample that contains object class information about a detected object:</para>
           <programlisting><![CDATA[<tt:Frame UtcTime="2010-11-10T12:24:57.721">
   <tt:Transformation>
@@ -904,6 +904,12 @@
       <tt:Class>
         <tt:Type Likelihood=”0.8”>Vehicle</tt:Type>
       </tt:Class>
+      <tt:Class>
+        <tt:Type Likelihood=”0.75”>Car</tt:Type>
+      </tt:Class>
+      <tt:Class>
+        <tt:Type Likelihood=”0.3”>Truck</tt:Type>
+      </tt:Class>
     </tt:Appearance>
   </tt:Object>
 </tt:Frame>