Type <br> or <p> to go to a new line.
So what you're going to have to do is go to the HTML and look for this writing and change it from there.
Of course, this is totally optional, so there will be a choice not to have this! (:
« I am Daenerys Stormborn of House Targaryen, the Unburnt, Mother of Dragons, khaleesi to Drogo’s riders, and queen of the Seven Kingdoms of Westeros. »