rename previous default theme to league

index.html

@@ -167,7 +167,8 @@
 					<h2>Themes</h2>
 					<p>
 						reveal.js comes with a few themes built in: <br>
-						<a href="?#/themes">Default</a> -
+						<a href="?#/themes">Black (default)</a> -
+						<a href="?theme=league#/themes">League</a> -
 						<a href="?theme=sky#/themes">Sky</a> -
 						<a href="?theme=beige#/themes">Beige</a> -
 						<a href="?theme=simple#/themes">Simple</a> -