Unreal Architecture link in Unreal Terminology website doesn't work

Unreal Architecture web link doesn't work. A user cannot enter the website to see the terminology of the Unreal Architecture.

1. Load the following website https://docs.unrealengine.com/5.0/en-US/unreal-engine-terminology/
2. Scroll down to Object
3. Click the link to Unreal Architecture

Expected Result : Website loads properly

Actual Result : User gets a 404 not found