Typo fix in FAQ

faq.html

@@ -1290,7 +1290,7 @@ further down for different instructions. Otherwise: in particular you must:</p>
 <ul>
 <li><a href="https://www.gnome.org">Gnome</a> terminal application</li>
 <li><a href="https://kde.org">KDE</a> terminal application</li>
-<li><code>xterm(</code>) terminal application</li>
+<li><code>xterm(1)</code> terminal application</li>
 </ul>
 <p>See below for various system related hints that may be of help.</p>
 <div id="Xorg_deprecated">