diff --git a/.extlib/simplesamlphp/modules/saml/src/Auth/Source/SP.php b/.extlib/simplesamlphp/modules/saml/src/Auth/Source/SP.php
index 68c8c31ea..9d660346b 100644
--- a/.extlib/simplesamlphp/modules/saml/src/Auth/Source/SP.php
+++ b/.extlib/simplesamlphp/modules/saml/src/Auth/Source/SP.php
@@ -306,6 +306,7 @@ public function getHostedMetadata(): array
      */
     public function getIdPMetadata(string $entityId): Configuration
     {
+        // auth_saml2 modification.
         // Set the IdP to null, so it can auto-detect.
         // Avoid the case where it uses the default IdP data for IdP initiated login.
         $this->idp = null;