diff --git includes/entity.inc includes/entity.inc
index d264354..b327218 100644
--- includes/entity.inc
+++ includes/entity.inc
@@ -163,6 +163,9 @@ class DrupalDefaultEntityController implements DrupalEntityControllerInterface {
    * into terms, however it can also support $conditions on different tables.
    * See CommentController::buildQuery() or TaxonomyTermController::buildQuery()
    * for examples.
+   *
+   * @return SelectQuery
+   *   A SelectQuery object for loading the entity.
    */
   protected function buildQuery($ids, $conditions = array(), $revision_id = FALSE) {
     $query = db_select($this->entityInfo['base table'], 'base');
