Typo in docs - localhost requires port 5000

In the Custom Routes section, port 5000 was accidentally left off the URL.

    Load up http://localhost/quotes/word_bacon/ in your browser and behold
    your latest achievement.

Should be 

    Load up http://localhost:5000/quotes/word_bacon/ in your browser and behold
    your latest achievement.

to be consistent with the other URLs provided throughout the rest of the Docs.