updated help.html

public/help.html

@@ -76,6 +76,7 @@
 					<li><em>Decaying fruits</em> give you 5 points and sometimes spawn in arcade mode, but they also decay after 2 seconds and disappear</li>
 					<li><em>Portals</em> teleport you to the corresponding portal</li>
 					<li><em>Keys</em> make <em>Doors</em> disappear</li>
+					<li><em>Switches</em> enable or disable <em>Spikes</em></li>
 				</ul>
 			</article>
 		</main>