diff --git a/src/applications/differential/customfield/DifferentialProjectReviewersField.php b/src/applications/differential/customfield/DifferentialProjectReviewersField.php
--- a/src/applications/differential/customfield/DifferentialProjectReviewersField.php
+++ b/src/applications/differential/customfield/DifferentialProjectReviewersField.php
@@ -8,7 +8,7 @@
   }
 
   public function getFieldName() {
-    return pht('Project Reviewers');
+    return pht('Coalition Reviewers');
   }
 
   public function getFieldDescription() {
diff --git a/src/applications/differential/customfield/DifferentialReviewersField.php b/src/applications/differential/customfield/DifferentialReviewersField.php
--- a/src/applications/differential/customfield/DifferentialReviewersField.php
+++ b/src/applications/differential/customfield/DifferentialReviewersField.php
@@ -71,7 +71,7 @@
     return id(new AphrontFormTokenizerControl())
       ->setUser($this->getViewer())
       ->setName($this->getFieldKey())
-      ->setDatasource(new PhabricatorProjectOrUserDatasource())
+      ->setDatasource(new DiffusionAuditorDatasource())
       ->setValue($phids)
       ->setError($this->getFieldError())
       ->setLabel($this->getFieldName());