Clicking on doc button in Editor opens a "missing page error" page for 'Sprite Shape Profile' & 'Sprite Shape Controller'

Steps to Repro:
1. Open/Create project > project window > right click
2. Create > sprite shape profile
3. Inspector > click book icon to open documentation link > observe that redirect link opens a "missing page error"
4. Drag sprite shape profile into scene view > hierarchy > sprite shape profile > repeat step 3

Note:
Occurring for strip and shape profile as well, Sprite Shape Profile manifest is not compatible with 2017.3

Occurring in:
2018.1.0b1, 2018.1.0a7, 2018.1.0a5

Environment:
Occurring on windows & Mac