R1:7ee7f14b7999

Projects - fix typo in config

Summary: type "string" should be type "text". Ref T6366.

Test Plan: viewed config and saw appropriate, working example

Reviewers: epriestley, chad

Reviewed By: chad

Subscribers: Korvin, epriestley

Maniphest Tasks: T6366

Differential Revision: https://secure.phabricator.com/D10736