To see the source text, double-click on the line in question. Here, I clicked on the highlighted line containing wherefore art thou Romeo.
or press F8 and the lines grow fatter:
or pull the line you're interested in wider or fatter: place your cursor at the bottom the number in the left column, and it changes shape:
and pull it down.
You can also pull it wider by putting your cursor at the right edge, just to the left of the word Set.