diff --git a/app/src/main/res/values-de/strings.xml b/app/src/main/res/values-de/strings.xml
index cd03771..80b187f 100644
--- a/app/src/main/res/values-de/strings.xml
+++ b/app/src/main/res/values-de/strings.xml
@@ -100,10 +100,10 @@
     <string name="gradebook_updated">Noteneintrag aktualisiert: %1$s</string>
     <string name="resource_updated">Ressource aktualisiert: %1$s</string>
     <string name="announcement_added">Neue Ankündigung: %1$s</string>
-    <string name="assignment_added">Neue Aufgabe: %1$</string>
-    <string name="event_added">Neues Event: %1$</string>
-    <string name="gradebook_added">Neuer Noteneintrag: %1$</string>
-    <string name="resource_added">Neue Ressource: %1$</string>
+    <string name="assignment_added">Neue Aufgabe: %1$s</string>
+    <string name="event_added">Neues Event: %1$s</string>
+    <string name="gradebook_added">Neuer Noteneintrag: %1$s</string>
+    <string name="resource_added">Neue Ressource: %1$s</string>
     <string name="announcement_removed">Ankündigung entfernt: %1$s</string>
     <string name="assignment_removed">Aufgabe entfernt: %1$s</string>
     <string name="event_removed">Event entfernt: %1$s</string>