diff --git a/src/PhpSpreadsheet/Reader/IReadFilter.php b/src/PhpSpreadsheet/Reader/IReadFilter.php
index a4131c09..75b613f3 100644
--- a/src/PhpSpreadsheet/Reader/IReadFilter.php
+++ b/src/PhpSpreadsheet/Reader/IReadFilter.php
@@ -29,9 +29,9 @@ interface IReadFilter
     /**
      * Should this cell be read?
      *
-     * @param $column Column address (as a string value like "A", or "IV")
-     * @param $row Row number
-     * @param $worksheetName Optional worksheet name
+     * @param $column string Column address (as a string value like "A", or "IV")
+     * @param $row int Row number
+     * @param $worksheetName string Optional worksheet name
      *
      * @return bool
      */