Fix email address

people/mschuetz.md

@@ -26,4 +26,4 @@ with a thesis on forcing in the context of topos theory.
 I am interested in set theory, type theory and category theory, especially regarding
 their role in the foundations of mathematics and the development of proof assistants.
 
-Email: `Email: firstname + “.” + lastname + “@” + “fau.de”`
+Email: `firstname + “.” + lastname.replace(“ü”,“ue”) + “@” + “fau.de”`