typos

[azat-co]

on page 28

• 1 app.disable('etag'); • 2 console.log(app.disabled('etab'));

The latter should read ‘etag’ most probably...

on page 29

view engine holds the template file extension, e.g., ‘ext’ or ‘jade’, to utilize if the file extension is not passed to the res.render() function inside of the request handler.

here ‘ext’ should read ‘ejs’ I suppose...

Just let me know if such corrections are just creepy or useful to you...