Resource link is broken on "Build a Grid: Android Basics with Compose"

[NikoFresh]

URL of codelab:
https://developer.android.com/codelabs/basic-android-kotlin-compose-practice-grid

In which task and step of the codelab can this issue be found?
First step, "Before you begin"

Describe the problem
On the resource section, the "ic_grain.xml" link is broken

Steps to reproduce?

1. Click on "ic_grain.xml"
2. Get 404 error on GitHub