fix(variables1): Correct wrong word in comment
// About this `I AM NOT DONE` thing:
// We sometimes encourage you to keep trying things on a given exercise,
// even after you already figured it out. If you got everything working and
-// feel ready for the next exercise, you the `I AM NOT DONE` comment below.
+// feel ready for the next exercise, remove the `I AM NOT DONE` comment below.
// I AM NOT DONE
