Fix typo in link

Author: SableRaf

content/pages/people/index.es.mdx

@@ -13,7 +13,7 @@ title: 'People'
 - [Samuel Pottinger](https://github.com/sampottinger) (San Francisco), Processing Core
 - [Raphaël de Courville](https://twitter.com/sableraph) (Berlin), Processing Website
 - [Stef Tervelde](https://github.com/steft) (Berlin), Infrastructure and Developer Experience
-- [Kevin Staedler](https://github.com/kevinstaedler) (Vienna), Processing Sound
+- [Kevin Staedler](https://github.com/kevinstadler) (Vienna), Processing Sound
 
 ## Bibliotecas, Herramientas