DLS Course 4 Week 3 A1, typo

There’s a typo in DLS Course 4 Week 3 A1.

In “Exercise 2 - iou” description it’s mentioned that:
For this exercise, a box is defined using its two corners:
upper left (𝑥1,𝑦1) and lower right (𝑥2,𝑦2)…

then in the unit test we can see:
Test case 1: boxes intersect
box1 = (2, 1, 4, 3)
box2 = (1, 2, 3, 4)

which means that:
(𝑥1,𝑦1) is lower left and (𝑥2,𝑦2) is upper right corner.

It’s also mentioned that the origin is upper left, which results in this…

The order of the corners doesn’t matter, they’re still the same box.