Fix README

README.md

@@ -19,6 +19,7 @@ $ npm install
 
 ```
 $ cp login_example login
+$ chmod +x login
 ```
 
 Edit `login` and replace values of:
@@ -27,4 +28,4 @@ Edit `login` and replace values of:
 * MS_OFFICE365_LOGIN
 * MS_OFFICE365_PASSWORD
 
-Then run `node index.js`.
+Then run `./login`.