User trap of the week: Mystery BibTeX

You don't need to know anything about TeX, LaTeX or BiBTeX to get this one right. You just have to have better eyes and better reasoning skills than I do. 30 minutes. That's what I get for copying and pasting stuff off web pages.

@inproceedings{ picmet-patch,
  author = "Bhuricha Deen Sethanandha and Bart Massey and William Jones",
  title = "Managing Open Source Contributions
       For Software Project Sustainability”,
  booktitle = "Proceedings of the 2010
           Portland International Conference
           on Management of Engineering \& Technology (PICMET 2010)",
  address = "Bangkok, Thailand",
  month = jul,
  year = 2010,
  note = "URL~\url{http://www.cs.pdx.edu/~bart/papers/picmet-patch.pdf}."
}

Here's the error.

$ bibtex document
This is BibTeX, Version 0.99c (TeX Live 2009/Debian)
The top-level auxiliary file: document.aux
The style file: plain.bst
I found no \citation commands---while reading file document.aux
Database file #1: bibfile.bib
I was expecting a `,' or a `}'---line 5 of file bibfile.bib
 :   booktitle = "
 :                Proceedings of the 2010
I'm skipping whatever remains of this entry
(There were 2 error messages)

Like I said, anyone could spot this. Anyone who could spot it, that is. (Actually, it's a lot more obvious on this page than it was in the edit buffer where I originally encountered it.) (B)