Fix typo in default phame config

Summary: I skipped lint because it was being angry at me.

Test Plan: ran phame with new default, was able to join blogosphere

Reviewers: epriestley, codeblock

Reviewed By: epriestley

CC: aran, Korvin

Differential Revision: https://secure.phabricator.com/D4618
Merge branch 'master' of git://github.com/facebook/phabricator