Make all plugin xdocs validate

git-svn-id: https://svn.apache.org/repos/asf/maven/maven-1/plugins/trunk@292933 13f79535-47bb-0310-9956-ffa450edef68

nsis/xdocs/process.xml

@@ -29,6 +29,7 @@
       <p>
         The process of creating an installer from your <code>${maven.nsis.build.dir}</code>
         using the plugin is as follows:
+      </p>
         <ol>
           <li>
             You, the user invoke the <code>nsis</code>, or <code>nsis:installer</code> 
@@ -57,7 +58,6 @@
             setup.nsi file.
           </li>
         </ol>
-      </p>
       <!--p>
         reference up coming customisation doc here
       </p-->