diff --git a/application/cmdbabstract.class.inc.php b/application/cmdbabstract.class.inc.php
index 355409509..92e585897 100644
--- a/application/cmdbabstract.class.inc.php
+++ b/application/cmdbabstract.class.inc.php
@@ -6045,6 +6045,8 @@ JS
 	 * Check if the event EVENT_DB_LINKS_CHANGED is blocked or not (for bulk operations)
 	 *
 	 * @return bool
+	 *
+	 * @since 3.1.0 N°5906
 	 */
 	final public static function IsEventDBLinksChangedBlocked(): bool
 	{
@@ -6055,6 +6057,8 @@ JS
 	 * Block/unblock the event EVENT_DB_LINKS_CHANGED (the registration of objects on links modifications continues to work)
 	 *
 	 * @param bool $bBlockEventDBLinksChanged
+	 *
+	 * @since 3.1.0 N°5906
 	 */
 	final public static function SetEventDBLinksChangedBlocked(bool $bBlockEventDBLinksChanged): void
 	{
diff --git a/core/dbobject.class.php b/core/dbobject.class.php
index 1ff6290d7..c0af07e1a 100644
--- a/core/dbobject.class.php
+++ b/core/dbobject.class.php
@@ -5809,12 +5809,20 @@ abstract class DBObject implements iDisplay
 		return $oExpression->Evaluate($aArgs);
 	}
 
-	final public function SetReadOnly($sMessage) {
+	/**
+	 * @since 3.1.0 N°4756
+	 */
+	final public function SetReadOnly($sMessage)
+	{
 		$this->m_bIsReadOnly = true;
 		$this->m_sReadOnlyMessage = $sMessage;
 	}
 
-	final public function SetReadWrite() {
+	/**
+	 * @since 3.1.0 N°4756
+	 */
+	final public function SetReadWrite()
+	{
 		$this->m_bIsReadOnly = false;
 		$this->m_sReadOnlyMessage = '';
 	}
diff --git a/core/metamodel.class.php b/core/metamodel.class.php
index a7bb83b43..58eeae3c7 100644
--- a/core/metamodel.class.php
+++ b/core/metamodel.class.php
@@ -7631,6 +7631,8 @@ abstract class MetaModel
 	 * @param \DBObject $oObject
 	 *
 	 * @return bool true if reentry possible
+	 *
+	 * @since 3.1.0 N°4756
 	 */
 	public static function StartReentranceProtection(DBObject $oObject)
 	{
@@ -7638,9 +7640,17 @@ abstract class MetaModel
 			return false;
 		}
 		self::$m_aReentranceProtection[get_class($oObject)][$oObject->GetKey()] = $oObject;
+
 		return true;
 	}
 
+	/**
+	 * @param \DBObject $oObject
+	 *
+	 * @return void
+	 *
+	 * @since 3.1.0 N°4756
+	 */
 	public static function StopReentranceProtection(DBObject $oObject)
 	{
 		if (isset(self::$m_aReentranceProtection[get_class($oObject)][$oObject->GetKey()])) {