diff --git a/power-save-blocker/main.js b/power-save-blocker/main.js
index 4942066..9a20593 100644
--- a/power-save-blocker/main.js
+++ b/power-save-blocker/main.js
@@ -1,56 +1,52 @@
-var app = require('app');
-var Tray = require('tray');
-var Menu = require('menu');
-var path = require('path');
-var powerSaveBlocker = require('power-save-blocker');
-var BrowserWindow = require('browser-window');
-
-var appIcon = null;
-var win = null;
-var disabledIconPath = path.join(__dirname, 'images', 'night-19.png');
-var appSuspensionIconPath = path.join(__dirname, 'images', 'sunset-19.png');
-var displaySleepIconPath = path.join(__dirname, 'images', 'day-19.png');
-
-app.on('ready', function(){
-  win = new BrowserWindow({show: false});
-  appIcon = new Tray(disabledIconPath);
-  var blocker_id = null;
-  var contextMenu = Menu.buildFromTemplate([
-    {
-      label: 'Prevent app suspension',
-      type: 'radio',
-      icon: appSuspensionIconPath,
-      click: function() {
-        if (blocker_id)
-          powerSaveBlocker.stop(blocker_id);
-        blocker_id = powerSaveBlocker.start('prevent-app-suspension');
-      }
-    },
-    {
-      label: 'Prevent display sleep',
-      type: 'radio',
-      icon: displaySleepIconPath,
-      click: function() {
-        if (blocker_id)
-          powerSaveBlocker.stop(blocker_id);
-        blocker_id = powerSaveBlocker.start('prevent-display-sleep');
-      }
-    },
-    {
-      label: 'Disable',
-      type: 'radio',
-      icon: disabledIconPath,
-      checked: true,
-      click: function() {
-        if (blocker_id)
-          powerSaveBlocker.stop(blocker_id);
-      }
-    },
-    { label: 'Quit',
-      accelerator: 'Command+Q',
-      selector: 'terminate:',
-    }
-  ]);
-  appIcon.setToolTip('Keep system awake');
-  appIcon.setContextMenu(contextMenu);
-});
+const {app, Tray, Menu, powerSaveBlocker, BrowserWindow} = require('electron');
+const path = require('path');
+
+let appIcon;
+let win;
+const disabledIconPath = path.join(__dirname, 'images', 'night-19.png');
+const appSuspensionIconPath = path.join(__dirname, 'images', 'sunset-19.png');
+const displaySleepIconPath = path.join(__dirname, 'images', 'day-19.png');
+
+app.on('ready', function(){
+  win = new BrowserWindow({show: false});
+  appIcon = new Tray(disabledIconPath);
+  let blocker_id = null;
+  var contextMenu = Menu.buildFromTemplate([
+    {
+      label: 'Prevent app suspension',
+      type: 'radio',
+      icon: appSuspensionIconPath,
+      click: function() {
+        if (blocker_id)
+          powerSaveBlocker.stop(blocker_id);
+        blocker_id = powerSaveBlocker.start('prevent-app-suspension');
+      }
+    },
+    {
+      label: 'Prevent display sleep',
+      type: 'radio',
+      icon: displaySleepIconPath,
+      click: function() {
+        if (blocker_id)
+          powerSaveBlocker.stop(blocker_id);
+        blocker_id = powerSaveBlocker.start('prevent-display-sleep');
+      }
+    },
+    {
+      label: 'Disable',
+      type: 'radio',
+      icon: disabledIconPath,
+      checked: true,
+      click: function() {
+        if (blocker_id)
+          powerSaveBlocker.stop(blocker_id);
+      }
+    },
+    { label: 'Quit',
+      accelerator: 'Command+Q',
+      selector: 'terminate:',
+    }
+  ]);
+  appIcon.setToolTip('Keep system awake');
+  appIcon.setContextMenu(contextMenu);
+});
diff --git a/power-save-blocker/package.json b/power-save-blocker/package.json
index 58c3ff0..f283562 100644
--- a/power-save-blocker/package.json
+++ b/power-save-blocker/package.json
@@ -1,5 +1,5 @@
 {
   "name"    : "power-save-blocker-demo",
-  "version" : "0.1.0",
+  "version" : "1.1.0",
   "main"    : "main.js"
 }
diff --git a/power-save-blocker/readme.md b/power-save-blocker/readme.md
index 2291359..d00762d 100644
--- a/power-save-blocker/readme.md
+++ b/power-save-blocker/readme.md
@@ -4,7 +4,7 @@ A tray sample reprevents the display from sleep.
 
 ## APIs
 
-[power-save-blocker](https://github.com/atom/electron/blob/master/docs/api/power-save-blocker.md)
+[power-save-blocker](https://github.com/electron/electron/blob/master/docs/api/power-save-blocker.md)
 
 ## Screenshot