How to set up the CNC?

Question

Apache HTTP Server

There is an address helloworld.ru
In the root folder of the site there are files about.html, contact.html
It is necessary to make sure that when accessing the address helloworld.ru/about, the file about.html is loaded.
In addition to these files, there are a lot of other files on the server, and this is the rule should be done ONLY for these 2 files.
Apache server.

Answer 1

RewriteEngine On
RewriteRule ^about$ /about.html [L]
RewriteRule ^contact$ /contact.html [L]

something like that, I'm not sure if it's right)