jquery/learn.jquery.com — pull request #581 by arthurvr (2014-12-06 10:43:37+00:00)
Title: Clearify comment in `javascript-101/operations`

Adding quote around an console.log output clarifies that it's
actually a string. In this article this really makes sense.

This would fix https://github.com/jquery/learn.jquery.com/issues/542.