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-rw-r--r--engine/lib/entities.php1
1 files changed, 1 insertions, 0 deletions
diff --git a/engine/lib/entities.php b/engine/lib/entities.php
index ef03a698d..0b229aac5 100644
--- a/engine/lib/entities.php
+++ b/engine/lib/entities.php
@@ -738,6 +738,7 @@ function elgg_entity_exists($guid) {
* Joined with subtypes by AND. See below)
*
* subtypes => NULL|STR entity subtype (SQL: subtype IN ('subtype1', 'subtype2))
+ * Use ELGG_ENTITIES_NO_VALUE for no subtype.
*
* type_subtype_pairs => NULL|ARR (array('type' => 'subtype'))
* (type = '$type' AND subtype = '$subtype') pairs