I fixed the path to the images that weren't showing up. Other feedback for the lesson that's minor or depends on what's introduced in other lessons:
Under staging area, after "Try to stage things manually, or you might find yourself searching for “git undo commit” more than you would like!", consider adding a sentence about ways to undo commits will be covered later in the lesson with git revert and git checkout
Briefly introduce the touch command, either in this lesson or a previous lesson.
Should all exercises have a solution? There is no solution for the following exercises: Reverting a commit, Checking Understanding of git diff, Getting Rid of Staged Changes, Explore and Summarize Histories, Version History, Backup, and Version Control
I fixed the path to the images that weren't showing up. Other feedback for the lesson that's minor or depends on what's introduced in other lessons: