PHPDoc comment does not match method signature

src/Monolog/Handler/RotatingFileHandler.php

@@ -36,7 +36,7 @@ class RotatingFileHandler extends StreamHandler
      * @param integer $maxFiles        The maximal amount of files to keep (0 means unlimited)
      * @param integer $level           The minimum logging level at which this handler will be triggered
      * @param Boolean $bubble          Whether the messages that are handled can bubble up the stack or not
-     * @param int     $filePermissions Optional file permissions (default (0644) are only for owner read/write)
+     * @param int     $filePermission Optional file permissions (default (0644) are only for owner read/write)
      */
     public function __construct($filename, $maxFiles = 0, $level = Logger::DEBUG, $bubble = true, $filePermission = null)
     {