app.config(function($stateProvider){
  $stateProvider.state('explorerState', {
    url: '/',
    templateUrl: './app/explorer/explorer.html',
    controller: 'Explorer'
  })
})

@@ -160,16 +160,20 @@
 Explorer
+Ctrl
 '%0A  %7D)%0A%7D

Append Ctrl to controller name