How to get one's own comment appear as a child of another comment?

[Sandra_Rossi]

I just saw the following comment appear as a child of another comment in this question:

How to do it? I don't have a REPLY link, I can just comment on a question or on an answer, not on another comment.

Thank you!

Sandra

[former_member186338 · Accepted solution]

It's a special moderator comment! Available only for moderators.

[Sandra_Rossi · Accepted solution]

Thank you! 🙂

I thought that moderators had a yellow M icon (if I remember well) next to their names.

[former_member186338 · Accepted solution]

sandra.rossi

Looks like his moderator status is changing...