Update index.html

index.html

@@ -141,7 +141,7 @@ <h1>Example Twibbon</h1>
 if (window.history && window.history.pushState) {
 window.history.pushState('forward', null, './#forward');
 $(window).on('popstate', function() {
-alert('Do you want to save the changes?');
+alert('Keluar dari situs?');
 });
 }
 });