diff --git a/cookies/main.js b/cookies/main.js
index ca523aa..305931b 100644
--- a/cookies/main.js
+++ b/cookies/main.js
@@ -3,7 +3,7 @@ var BrowserWindow = require('browser-window');
 
 var mainWindow = null;
 app.on('ready', function() {
-  mainWindow = new BrowserWindow({width: 800, height: 600});
+  mainWindow = new BrowserWindow({width: 400, height: 360});
   mainWindow.loadUrl('file://' + __dirname + '/manager.html');
 });
 
diff --git a/cookies/readme.md b/cookies/readme.md
new file mode 100644
index 0000000..6583762
--- /dev/null
+++ b/cookies/readme.md
@@ -0,0 +1,12 @@
+# Cookies
+
+A sample app allows you to manipulate your cookies data using [cookies](
+https://github.com/atom/electron/blob/master/docs/api/browser-window.md#sessioncookies) API.
+
+## APIs
+
+[Session.cookies](https://github.com/atom/electron/blob/master/docs/api/browser-window.md#sessioncookies)
+
+## Screenshot
+
+![screenshot](/cookies/screenshot/screenshot.png)
diff --git a/cookies/screenshot/screenshot.png b/cookies/screenshot/screenshot.png
new file mode 100644
index 0000000..c3f4485
Binary files /dev/null and b/cookies/screenshot/screenshot.png differ