Atlas REST API Documentation has links leading to 404

On clicking the links on REST API Documentation page, for instance, https://atlas.apache.org/api/v2/resource_DiscoveryREST.html

it leads to "Not Found The requested URL was not found on this server."

On click of the hyperlink below

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The following error throws

The same applies for links found in the below pages too

• https://atlas.apache.org/api/v2/resource_EntityREST.html
• https://atlas.apache.org/api/v2/resource_GlossaryREST.html
• https://atlas.apache.org/api/v2/resource_LineageREST.html
• https://atlas.apache.org/api/v2/resource_RelationshipREST.html
• https://atlas.apache.org/api/v2/resource_TypesREST.html