Man pages matching name mojolicious::plugin::openapi::guides::openapiv3 in section 3pm:

Mojolicious::Plugin::OpenAPI::Guides::OpenAPIv3.3pm.en	debian 11 / libmojolicious-plugin-openapi-perl
Mojolicious::Plugin::OpenAPI::Guides::OpenAPIv3.3pm.en	debian 12 / libmojolicious-plugin-openapi-perl