This filter can be used for changing the comment/comments phrase under the comment form.
Changelog
since 7.3.0 version
Parameters
1. $phrase – the comment/comments phrase. This depends on the comment count
2. $commentsCount – the count of the comments. For this count, the phrase should be passed.
Usage
add_filter("wpdiscuz_comment_count_phrase", function ($phrase, $count) {
return $count == 1 ? "comment" : "comments";
}, 10, 2);