update example

index.html

@@ -364,8 +364,9 @@ for (var i = 0; i < nestedSortables.length; i++) {
 			</div>
 			<div style="padding: 0" class="col-12">
 <pre class="prettyprint">new Sortable(multiDragDemo, {
-	multiDrag: true, // Enable multi-drag
-	selectedClass: 'selected', // The class applied to the selected items
+	multiDrag: true,
+	selectedClass: 'selected',
+	fallbackTolerance: 3, // So that we can select items on mobile
 	animation: 150
 });</pre>
 			</div>

st/app.js

@@ -211,6 +211,7 @@ for (var i = 0; i < nestedSortables.length; i++) {
 new Sortable(multiDragDemo, {
 	multiDrag: true,
 	selectedClass: 'selected',
+	fallbackTolerance: 3, // So that we can select items on mobile
 	animation: 150
 });