usage.html: fix "Settings & Configuration" link

Author: silentium83

www/usage.html

@@ -25,7 +25,7 @@ <h2>Guide</h2>
 				<li><a href="installation.html">Installation</a></li>
 				<li><a href="general_questions.html">General Questions</a></li>
 				<li><a href="back_alley.html">Back Alley</a></li>
-				<li><a href="settings_and_configuration.html">Settings</a></li>
+				<li><a href="settings_and_configuration.html">Settings &amp; Configuration</a></li>
 				<li><a href="moderation_and_reporting.html">Moderation &amp; Reporting</a></li>
 				<li><a href="donating.html">Donating</a></li>
 				<li><a href="errors_and_issues.html">Errors &amp; Issues</a></li>