diff --git a/www/saml2/sp/initSSO.php b/www/saml2/sp/initSSO.php
index 60d2060ac245857de31a8070b83ef2ef84ea3ab4..c78a49b87838ecac11a62c212f703959939744fa 100644
--- a/www/saml2/sp/initSSO.php
+++ b/www/saml2/sp/initSSO.php
@@ -20,9 +20,18 @@ $session = SimpleSAML_Session::getInstance(true);
 $logger = new SimpleSAML_Logger();
 
 
+/*
+ * Incomming URL parameters
+ *
+ * idpentityid 		The entityid of the wanted IdP to authenticate with. If not provided will use default.
+ * spentityid		The entityid of the SP config to use. If not provided will use default to host.
+ * 
+ */		
+
 $logger->log(LOG_INFO, $session->getTrackID(), 'SAML2.0', 'SP.initSSO', 'EVENT', 'Access', 
 	'Accessing SAML 2.0 SP initSSO script');
 
+
 try {
 
 	$idpentityid = isset($_GET['idpentityid']) ? $_GET['idpentityid'] : $config->getValue('default-saml20-idp') ;