diff --git a/core/attributedef.class.inc.php b/core/attributedef.class.inc.php
index d96f2e965..cdc18d6ee 100644
--- a/core/attributedef.class.inc.php
+++ b/core/attributedef.class.inc.php
@@ -3834,7 +3834,7 @@ class AttributeClass extends AttributeString
 		}
 
 		$aListClass = $oValSetDef->GetValues($aArgs, $sContains);
-
+		/* @since 3.3.0 remove elements in class_exclusion_list*/
 		$sClassExclusionList = $this->GetOptional('class_exclusion_list',null);
 		if (!empty($sClassExclusionList)) {
 			foreach (explode(',', $sClassExclusionList) as $sClassName) {
diff --git a/datamodels/2.x/itop-attachments/src/Trigger/TriggerOnAttachmentCreate.php b/datamodels/2.x/itop-attachments/src/Trigger/TriggerOnAttachmentCreate.php
index 236e23012..8e755598e 100644
--- a/datamodels/2.x/itop-attachments/src/Trigger/TriggerOnAttachmentCreate.php
+++ b/datamodels/2.x/itop-attachments/src/Trigger/TriggerOnAttachmentCreate.php
@@ -9,7 +9,7 @@
 /**
  * Class TriggerOnAttachmentCreate
  *
- * @since 3.1.1
+ * @since 3.3.0
  */
 class TriggerOnAttachmentCreate extends TriggerOnObject
 {
diff --git a/datamodels/2.x/itop-attachments/src/Trigger/TriggerOnAttachmentDelete.php b/datamodels/2.x/itop-attachments/src/Trigger/TriggerOnAttachmentDelete.php
index 6cbb3f832..8e7798a7c 100644
--- a/datamodels/2.x/itop-attachments/src/Trigger/TriggerOnAttachmentDelete.php
+++ b/datamodels/2.x/itop-attachments/src/Trigger/TriggerOnAttachmentDelete.php
@@ -9,7 +9,7 @@
 /**
  * Class TriggerOnAttachmentCreate
  *
- * @since 3.1.1
+ * @since 3.3.0
  */
 class TriggerOnAttachmentDelete extends TriggerOnObject
 {