Add anchors

wiki/src/install/debian/usb.mdwn

@@ -23,6 +23,8 @@ Install <span class="application">Tails Installer</span>
 In this step, you will install <span class="application">Tails
 Installer</span>, a program designed specifically for installing Tails.
 
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+
 If you are running Debian
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@@ -63,6 +65,8 @@ If you are running Debian
 
 1. After all the changes are applied, close <span class="application">Synaptic</span>.
 
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 If you are running Ubuntu
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