diff --git a/field_group.module b/field_group.module
index 96a5e6f..fb912bd 100644
--- a/field_group.module
+++ b/field_group.module
@@ -1477,13 +1477,17 @@ function field_group_info_groups($entity_type = NULL, $bundle = NULL, $view_mode
 /**
  * Read all groups.
  *
- * @param $conditions
- *   Parameters for the query
- *   $name The name of the entity.
- *   $bundle The name of the bundle.
- *   $view_mode The view mode.
- * @param $enabled
+ * @param array $conditions
+ *   Parameters for the query, as elements of the $conditions array.
+ *   'entity_type' The name of the entity type.
+ *   'bundle' The name of the bundle.
+ *   'mode' The view mode.
+ *
+ * @param boolean $enabled
  *   Return enabled or disabled groups.
+ *
+ * @return array
+ *   Array of groups.
  */
 function field_group_read_groups($conditions = array(), $enabled = TRUE) {