Prefer referring to 'final USB stick' once it's installed

wiki/src/install/inc/steps/create_persistence.inline.mdwn

@@ -4,7 +4,7 @@ Create an encrypted persistent storage (optional)
 <div class="step-image">[[!img inc/infography/create-persistence.png link="no"]]</div>
 
 You can optionally create an *encrypted persistent storage* in the
-remaining free space on the <span class="windows-usb linux-usb mac-usb">second</span><span class="clone">new</span> Tails USB stick to store any of the
+remaining free space on the <span class="windows-usb linux-usb mac-usb">final</span><span class="clone">new</span> Tails USB stick to store any of the
 following:
 
   - Your personal files and working documents

wiki/src/install/inc/steps/install_temporary_outro.inline.mdwn

@@ -3,7 +3,7 @@
 <div class="trophy">
 
 <p>Cool, you now have a temporary Tails on your first USB stick. You
-will soon have to reboot your computer on this USB stick.
+will soon have to restart your computer on this USB stick.
 <span class="windows linux">It can be a bit tricky, so good luck!</span>
 <span class="mac">But it might not work on your Mac model, so good luck!</span>
 </p>

wiki/src/install/inc/steps/you_are_done.inline.mdwn

@@ -7,7 +7,7 @@
 <p>Yeah, you are done installing Tails!</p>
 
 <p>If you want to save some documents
-and configuration in an encrypted storage on the <span class="usb">second</span><span class="clone">new</span> Tails USB stick, follow
+and configuration in an encrypted storage on the <span class="usb">final</span><span class="clone">new</span> Tails USB stick, follow
 our instructions until the end. Otherwise, have a look at our
 <span class="install-clone">[[final recommendations|clone#recommendations]].</span>
 <span class="expert">[[final recommendations|expert/usb#recommendations]].</span>