Contribute correction: Operation Wolf

  _____      ___      _  _     _____   
 / ____||   / _ \\   | \| ||  |  ___|| 
/ //---`'  | / \ ||  |  ' ||  | ||__   
\ \\___    | \_/ ||  | .  ||  | ||__   
 \_____||   \___//   |_|\_||  |_____|| 
  `----`    `---`    `-` -`   `-----`