fix typo s/enterface/interface/

Hi James

As I'm nearing production I have some branches that I would like to push. This first one contains almost nothing. My plural "bugfixes" turned out to be singular.

Would it be ok for you if I start pushing lots of branches in a somewhat logical fashion over the next couple of weeks?

I think yours is the most complete module out there and I'd rather not get all forked up on this.

cheers
Lucas