Tooltips are missing for "Tile height Resolution" in the Terrain Toolbox window, Refer to the attached video

Steps to repro:
1. Create a new project
2. Windows > Package Manager > TerrainTools > Install
3. Window > Terrain > Terrain Toolbox menu option
4. Terrain Toolbox Window > Create New Terrain > Hover mouse on Tile height Resolution Property

Actual Result:
Tooltip is missing for "Tile height Resolution" in the Terrain toolbox window

Expected Result:
Tooltip appears when the mouse has hovered on the properties

Occurring on:
2021.1.0a3, 2020.2.0b10, 2020.1.2f1, 2019.3.14f1 with Package Version 3.0.1, 3.0.0 , 2.0.2, 1.1.2-preview,

Environment: Windows 10 & Mac 10.15