Small fix

header.html

@@ -36,7 +36,7 @@
                 <a href="https://git.cutebunni.es">Git</a>
                 <a href="https://lgbt.io/@matthilde">Mastodon</a>
                 <a href="https://unix.lgbt">unix.lgbt</a>
-            <nav>
+            </nav>
         </header>
         <!-- <h3 style="font-weight: normal">[ <a href="/">Home</a> | <a href="/a.html">About</a> | <a href="/b.html">Blog</a> | <a href="/r.html">Rice</a> | <a href="/p.html">Portfolio</a> | <a href="/vicera">VICERA</a> ]</p></h4> -->