Minor fix to the docs

docs/index.js

@@ -82,7 +82,7 @@ $(function() {
   $('#label-toggle-switch').on('click', function(e, data) {
     $('.label-toggle-switch').bootstrapSwitch('toggleState');
   });
-  $('.label-toggle-switch').on('switch-change', function(e, data) {
+  $('.label-toggle-switch').on('switchChange', function(e, data) {
     alert(data.value);
   });
 

index.html

@@ -266,7 +266,7 @@ $('#label-switch').bootstrapSwitch('offText', 'O');</code></pre>
           <pre class="language-javascript"><code>$('#label-toggle-switch').on('click', function(e, data) {
     $('.label-toggle-switch').bootstrapSwitch('toggleState');
 });
-$('.label-toggle-switch').on('switch-change', function (e, data) {
+$('.label-toggle-switch').on('switchChange', function (e, data) {
     alert(data.value);
 });</code></pre>
         </section>