brief note for path problems (thanks mahes!)

pages/howto_blojsom.html

@@ -10,7 +10,9 @@ and save to eepsite/webapps/</li>
   <li>mkdir blojsom</li>
   <li>mv blojsom.war blojsom</li>
   <li>cd blojsom</li>
-  <li>jar xvf blojsom.war</li>
+  <li>jar xvf blojsom.war<br />
+      <i>(if this gives you a "Command not found", try running 
+         "C:\j2sdk1.4.2\bin\jar xvf blojsom.war", or whatever the path to your JDK install is)</i></li>
   </ul></li>
 <li>edit the base config: WEB-INF/default/blog.properties<br />
   <code>blog-base-url=/blojsom/</code><br />