diff --git a/application/Espo/ORM/Repository/RDBRelation.php b/application/Espo/ORM/Repository/RDBRelation.php
index 235bbd84c3..e788b930fa 100644
--- a/application/Espo/ORM/Repository/RDBRelation.php
+++ b/application/Espo/ORM/Repository/RDBRelation.php
@@ -51,7 +51,7 @@ use RuntimeException;
 /**
  * An access point for a specific relation of a record.
  *
- * @template TEntity of Entity
+ * @template TEntity of Entity = Entity
  */
 class RDBRelation
 {