Repo steps:
# Go to Window > Package Manager > Search Visual Effect Graph > Check Unity Registry > Make sure VFX graph is installed
# Assets > Create > Visual Effects > Visual Effect Graph > Name it anything 
# Project Window > Assets > Double click the new VFX Asset > VFX Graph should appear 
# Click on the Spawn Box at the top of the graph > VFX Basic Spawner should be visible in the inspector window 
# Click on the Question mark to the right of the inspector window
# Unity Web page should open that displays "Sorry... that page seems to be missing!" 

Expected Result: Documentation page with the data should be displayed for the user.

Actual Result: Web page displays "Sorry... that page seems to be missing!".

Happens also with at least:
- VFX Planar Primitive Output
- VFX Parameter
- VFX Basic Update
- VFX Basic Initialize

First noticed in: 2023.1.0b6

Reproducible with: 2020.3.46f1, 2021.3.20f1, 2022.2.9f1, 2023.1.0b7, 2023.2.0a5

Platforms tested: Win 11