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

Author: bobtrahan

src/applications/project/config/PhabricatorProjectConfigOptions.php

@@ -32,7 +32,7 @@ public function getOptions() {
             'Array of custom fields for Projects.'))
         ->addExample(
           '{"mycompany:motto": {"name": "Project Motto", '.
-          '"type": "string"}}',
+          '"type": "text"}}',
           pht('Valid Setting')),
       $this->newOption('projects.fields', $custom_field_type, $default_fields)
         ->setCustomData(id(new PhabricatorProject())->getCustomFieldBaseClass())