Update pelicanconf.py

pelicanconf.py

@@ -84,7 +84,7 @@ I18N_SUBSITES = {
                 ]),
             ("Media and Pedagogy", [
                 ("Educational Concept", "/pages/paedagogisches_leitbild.html"),
-                ("Handouts", "/pages/handreichungen.html"),
+                ("Handouts", "/pages/handreichung.html"),
             ]),
             ("Contribution", [
                 ("Goals", "/pages/ziele.html"),