CRM-16911 - Add title to api field

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* CRM-16911: AB reporting takes the total number of open instead of the unique
  https://issues.civicrm.org/jira/browse/CRM-16911

diff --git a/api/v3/Mailing.php b/api/v3/Mailing.php
index 468d358e535317d5039f1f3b26ae3c0f2903f27e..84640a084b8641e962d3cae078ff30bda2dfab6a 100755 (executable)
--- a/api/v3/Mailing.php
+++ b/api/v3/Mailing.php
@@ -662,6 +662,7 @@ function _civicrm_api3_mailing_stats_spec(&$params) {
   $params['date']['api.default'] = 'now';
   $params['date']['title'] = 'Date';
   $params['is_distinct']['api.default'] = FALSE;
+  $params['is_distinct']['title'] = 'Is Distinct';
 }
 
 /**