Would you tell a headhunter if you don't seem to be who they search for?

I told her for once now what my profession was and indicated that it doesn't quite fit into her field of jobs to offer. Yet she replied with "sounds great" and now I fear ending up with a misunderstanding if I don't stress that possible mismatch anymore.

Would you tell a headhunter if you don't seem to be who they search for?
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