You mean she has to make proper changes on that post and then talk to greeter @tarpan and he will verify her.

Yes. In fact, it's too simple, she only needs to follow his guidance and easily reply "Done it". Don't need to repost.

It was a confusion as she is a newcomer and didn't know that achievements can't be reposted.

But she can not skip the pinned post in the newcomers community. They are meant to educate newcomers.