Put warning before introductory sentence

wiki/src/install/inc/steps/pc_boot_menu.inline.html

@@ -136,15 +136,15 @@ manufacturer to learn how to edit the BIOS settings:</p>
 </ul>
 </div>
 
-<p>In the BIOS settings, try to apply the following changes. Some changes might not
-apply to certain computer models.</p>
-
 <div class="caution">
 <p>Take note of the changes that you apply to the BIOS settings. That way, you
 can revert the changes if they prevent the computer from starting on its usual
 operating system.</p>
 </div>
 
+<p>In the BIOS settings, try to apply the following changes. Some changes might not
+apply to certain computer models.</p>
+
 <ul>
   <li>
    <p>There might be an option in your BIOS to enable the Boot Menu key. Make