How can I & how do I change text displayed in comment via child theme

You should copy comments.php in the child theme and then make the changes there.

NOTE: DO NOT DELETE THE FILE FROM THE PARENT THEME.

You can read more about parent and child theme here: https://developer.wordpress.org/themes/advanced-topics/child-themes/

deneme bonusu veren sitelerbahis casinomakrobetceltabetpinbahispolobetpolobet girişpinbahis girişmakrobet girişpulibet girişmobilbahis girişkolaybet giriş