Block cookies on some sites

Hi,

Please explain on these specific examples:

https://mysite.com/

http://mysite.net/ 

how do I enter correctly sites in the form provided to block cookies correctly? Since nothing is clear for me from this article - https://support.brave.com/hc/en-us/articles/360050634931-How-Do-I-Manage-Cookies-In-Brave-#7 .

Thank you in advance for your qualified response.