diff --git a/src/Value/CalcRuleValueList.php b/src/Value/CalcRuleValueList.php
index d44f0acb..5e3e4bde 100644
--- a/src/Value/CalcRuleValueList.php
+++ b/src/Value/CalcRuleValueList.php
@@ -6,6 +6,9 @@
 
 class CalcRuleValueList extends RuleValueList
 {
+    /**
+     * @param int $iLineNo
+     */
     public function __construct($iLineNo = 0)
     {
         parent::__construct([], ',', $iLineNo);