diff --git a/application/loginform.class.inc.php b/application/loginform.class.inc.php
index 4b55ca757..41fbe4ae5 100644
--- a/application/loginform.class.inc.php
+++ b/application/loginform.class.inc.php
@@ -85,7 +85,7 @@ class LoginForm extends AbstractLoginFSMExtension implements iLoginUIExtension
 			if (Session::IsSet('auth_user'))
 			{
 				// If FSM reenter this state (example 2FA) then the auth_user is not resubmitted
-				$sAuthUser =Session::Get('auth_user');
+				$sAuthUser = Session::Get('auth_user');
 			}
 			else
 			{
diff --git a/application/transaction.class.inc.php b/application/transaction.class.inc.php
index e32ddfd0c..b577ead31 100644
--- a/application/transaction.class.inc.php
+++ b/application/transaction.class.inc.php
@@ -102,7 +102,7 @@ class privUITransaction
 /**
  * The original (and by default) mechanism for storing transaction information
  * as an array in the _SESSION variable
- * @see Session
+ * @see \Combodo\iTop\Application\Helper\Session
  *
  */
 class privUITransactionSession
diff --git a/sources/application/Helper/Session.php b/sources/application/Helper/Session.php
index e1ef99494..ca2d7585d 100644
--- a/sources/application/Helper/Session.php
+++ b/sources/application/Helper/Session.php
@@ -16,8 +16,11 @@ namespace Combodo\iTop\Application\Helper;
  */
 class Session
 {
+	/** @var int|null */
 	public static $iSessionId = null;
+	/** @var bool */
 	protected static $bIsInitialized = false;
+	/** @var bool */
 	protected static $bSessionStarted = false;
 
 	public static function Start()