Hiding those red spelling error lines in the editor

#1

Is there a way? I find them quite distracting. Not sure if this is caused by FCC, Chrome, or something else.

http://i.imgur.com/CnZfM8P.png

#2

The red lines are letting you know you have some type of syntax issue going on.

#3

I find that when I correct the spelling, they go away.

#4