Surrounding hashes on MultiMarkdown Export

Hello,

I export to MultiMarkdown with the Folder Names as chapter titles. Scrivener surrounds the title with hashes

Title

Leanpub only wants starting hashes like

Title

How do I tell Scrivener to not add trailing hashes?

I currently export as TXT with prefixes of # and ## for Chapters, but the solution is not the best.

Thanks
Stephan