Fixing formatting errors.
Fixing formatting errors.

macmillanpublishers/HTMLBook,macmillanpublishers/HTMLBook,mushroomgithub/HTMLBook,oreillymedia/HTMLBook,gitenberg-dev/HTMLBook,mushroomgithub/HTMLBook,mushroomgithub/HTMLBook,gitenberg-dev/HTMLBook,oreillymedia/HTMLBook,gitenberg-dev/HTMLBook,macmillanpublishers/HTMLBook,oreillymedia/HTMLBook