Issue Edit http error pages

[garcue]

Hi everyone,

I am trying to modify the messages that show http error codes in nginx.

I need to change the message for another or delete the text "nginx"


I have tried all the steps that appear in this tutorial. But I have not succeeded: How to enable custom error pages for a domain in Plesk

I have edited the contents of the "not_found.html" file despite not having the same message shown on the error page.

Could someone help me solve this issue?

Thank you