diff --git a/src/StringHelper.php b/src/StringHelper.php
index 6565cf53..62d8cd40 100644
--- a/src/StringHelper.php
+++ b/src/StringHelper.php
@@ -257,8 +257,8 @@ public static function strlen($str)
      *
      * Case-insensitive version of str_replace()
      *
-     * @param   string                $search   String to search
-     * @param   string                $replace  Existing string to replace
+     * @param   string|array          $search   String to search
+     * @param   string|array          $replace  Existing string to replace
      * @param   string                $str      New string to replace with
      * @param   integer|null|boolean  $count    Optional count value to be passed by referene
      *