Hello, @Darul Muqarrabin Malaysia,
To know how to edit snippet preview on the page, please read and follow the instruction written in this article: https://www.wpbeginner.com/plugins/users-guide-for-all-in-one-seo-pack/#:~:text=Simply%20edit%20any%20post%20or,SEO%20meta%20title%20and%20description.
Regards 8Themes Team.
