template_pre: fix typo

Author: johanmalm

src/template_pre.html

@@ -147,7 +147,7 @@
 [<a href="manual.html">manual</a>]
 [<a href="troubleshooting.html">troubleshooting</a>]
 [<a href="tips-and-tricks.html">tips&nbsp;&amp;&nbsp;tricks</a>]
-[<a href="hidpi-scaling.html">faq</a>]
+[<a href="hidpi-scaling.html">hidpi-scaling</a>]
 [<a href="faq.html">faq</a>]
 </center>
 <!--%%%TOC%%%-->