Index: /trunk/doc/manual/en_US/user_AdvancedTopics.xml
===================================================================
--- /trunk/doc/manual/en_US/user_AdvancedTopics.xml	(revision 50585)
+++ /trunk/doc/manual/en_US/user_AdvancedTopics.xml	(revision 50586)
@@ -3145,5 +3145,5 @@
         <title>VirtualBox watchdog configuration parameters</title>
         <tgroup cols="3">
-          <tbody>
+          <thead>
             <row>
               <entry><emphasis role="bold">Parameter</emphasis></entry>
@@ -3151,4 +3151,6 @@
               <entry><emphasis role="bold">Default</emphasis></entry>
             </row>
+          </thead>
+          <tbody>
             <row>
               <entry><computeroutput>USER</computeroutput></entry>