Discobot issue - stage "share one of these links with me

the first discobot tutorial has an issue during the stage for sharing a link.
It asks you to reply with a link.

But if you press the big blue reply button at the bottom of the page instead of the small reply arrow next to it’s message then it doesn’t recognize your answer.

if it expects you to reply using the arrow, then the tutorial should tell the user to do so and explain why using the arrow is useful (reply to a specific message) instead of saying: I didn’t recognize your answer without any instructions why it failed.

This is irritating

I just tried here and it also worked using the reply-to-topic button. Though it failed when I first tried as described in