update tutorial

public/src/views/tutorial.html

@@ -5,7 +5,13 @@
 			<p>Hit the drum when the notes reach the taiko!</p>
 			<p>For red notes, hit the face of the drum (<kbd>V</kbd> or <kbd>B</kbd>)...</p>
 			<p>...and for blue notes, hit the rim! (<kbd>C</kbd> or <kbd>N</kbd>)</p>
-			<p>You can also press <kbd>Q</kbd> to pause, and hold <kbd>SHIFT</kbd> while selecting a difficulty to enter autoplay mode!</p>
+			<p>USB controllers are also supported!</p>
+			<p>
+				<span style="font-weight:bold;">Other controls</span><br>
+				<kbd>Q</kbd> &mdash; pause game<br>
+				<kbd>SHIFT</kbd> while selecting difficulty &mdash; enable autoplay mode<br>
+				<kbd>CTRL</kbd> while selecting difficulty &mdash; enable 2P mode
+			</p>
 		</div>
 
 		<div id="tutorial-end-button" class="taibtn stroke-sub" alt="OK">OK</div>