diff --git a/wp-admin/includes/schema.php b/wp-admin/includes/schema.php
index 6374c89ddb..5dfb41b952 100644
--- a/wp-admin/includes/schema.php
+++ b/wp-admin/includes/schema.php
@@ -792,7 +792,11 @@ function populate_roles_300() {
 		$role->add_cap( 'update_core' );
 		$role->add_cap( 'list_users' );
 		$role->add_cap( 'remove_users' );
+
+		// Never used, will be removed. create_users or
+		// promote_users is the capability you're looking for.
 		$role->add_cap( 'add_users' );
+
 		$role->add_cap( 'promote_users' );
 		$role->add_cap( 'edit_theme_options' );
 		$role->add_cap( 'delete_themes' );