Improve grammar

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

@@ -181,7 +181,7 @@ able to use Tails on this computer. Feel free to
 
   <li><p>How did you verify the USB image?</p></li>
 
-  <li><p>Which is the brand and model of the computer?</p></li>
+  <li><p>What is the brand and model of your computer?</p></li>
 
   <li><p>What exactly happens when trying to start? Report the complete error
       message that appears on the screen, if any.</p></li>