Where do I report errors?

If you'd like to report an error regarding a question under the "Challenge" section of a video (Premium feature), you may report the error or typo by clicking on the "!" button when you scroll down to the bottom of the question: 

If you'd like to report an error in a video or other Premium feature, please submit and report the error through our Contact Page. If confirmed, we'll fix this error and list as "errata" next to the associated video lesson.