fix typo, spotted by ohan on irc.
fix typo, spotted by ohan on irc.

--HG--
branch : threadsafe

ghickman/couchdbkit,ghickman/couchdbkit,ghickman/couchdbkit,benoitc/couchdbkit,benoitc/couchdbkit,sirex/couchdbkit,sirex/couchdbkit,benoitc/couchdbkit