diff --git a/includes/common.inc b/includes/common.inc
index 95e03e8..b0328c5 100644
--- a/includes/common.inc
+++ b/includes/common.inc
@@ -7433,6 +7433,7 @@ function entity_create_stub_entity($entity_type, $ids) {
  *
  * @return
  *   An array of entity objects indexed by their ids.
+ *   When no results found, an empty array is returned.
  *
  * @todo Remove $conditions in Drupal 8.
  */
diff --git a/includes/entity.inc b/includes/entity.inc
index a3cdf74..261d49a 100644
--- a/includes/entity.inc
+++ b/includes/entity.inc
@@ -40,6 +40,7 @@ interface DrupalEntityControllerInterface {
    *
    * @return
    *   An array of entity objects indexed by their ids.
+   *   When no results found, an empty array is returned.
    */
   public function load($ids = array(), $conditions = array());
 }
diff --git a/modules/taxonomy/taxonomy.module b/modules/taxonomy/taxonomy.module
index 50d2fd6..bf1ab3c 100644
--- a/modules/taxonomy/taxonomy.module
+++ b/modules/taxonomy/taxonomy.module
@@ -1093,6 +1093,7 @@ class TaxonomyVocabularyController extends DrupalDefaultEntityController {
  *
  * @return
  *   An array of term objects, indexed by tid.
+ *   When no results found, an empty array is returned.
  *
  * @todo Remove $conditions in Drupal 8.
  */