How to set notices in resources like this?

[Wizavenue]

I've been wanting to set notices under resources like the one in the attached image(one on enxf.net)
Please what addon is that?

 

[Zer01ne]

Here you go - https://enxf.net/resources/xengentr-xfrm-ekstralar-sistemi-xfrm-extras-system-rm-ekstra.2116/

 

[Zer01ne]

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