daps validate

Author: taroth21

xml/book_tuning.xml

@@ -36,10 +36,10 @@
   </meta>
   <revhistory xml:id="rh-book-tuning">
     <revision>
-      <revision>
-        <date>2026-04-07</date>
-      </revision>
-      <date>2024-03-12</date>
+      <date>2026-04-07</date>
+    </revision>
+    <revision>
+     <date>2024-03-12</date>
       <revdescription>
         <para>
           Continuous updates for &productname; &productnumber;.