Fix typo : Notihing -> Nothing

AhyoungRyu · AhyoungRyu · commit 62b1349d9cf6 · 2015-12-17T00:52:24.000-08:00
diff --git a/zeppelin-web/src/app/notebook/notebook.controller.js b/zeppelin-web/src/app/notebook/notebook.controller.js
@@ -512,7 +512,7 @@ angular.module('zeppelinWebApp').controller('NotebookCtrl', function($scope, $ro
     else {
       BootstrapDialog.confirm({
       title: '',
-      message : 'Notihing is changed.',
+      message : 'Nothing is changed.',
       callback: function(result) {
         if (result) {
           $scope.$apply(function () {
