Contribute correction: Vereinsverwaltung

 _    _      ___       _____   _    _   
| |  | ||   / _ \\    / ___// | || | || 
| |/\| ||  | / \ ||   \___ \\ | || | || 
|  /\  ||  | \_/ ||   /    // | \\_/ || 
|_// \_||   \___//   /____//   \____//  
`-`   `-`   `---`   `-----`     `---`