Reproduction steps:
1. Download and start the Karting Interactive tutorial
2. Select the "Add Prefab" part from the tutorials menu
3. Observe the second paragraph regarding the Project window
Expected result: The first sentence is spelled correctly "Project window lists all the prefabs that are available in this project"
Actual result: There is a typo in the first sentence spelling "projecy" instead of "project"
Reproducible with: 2018.4.13f1, 2019.2.12f1, 2019.3.0b10, 2020.1.0a13
Could not test with: 2017.4.34f1(Interactive Tutorials are not compatible)