diff --git a/doc/appendix-de-kassensichv/examples/returnables.md b/doc/appendix-de-kassensichv/examples/returnables.md
index a01e33e9..c8738061 100644
--- a/doc/appendix-de-kassensichv/examples/returnables.md
+++ b/doc/appendix-de-kassensichv/examples/returnables.md
@@ -1,4 +1,4 @@
-## Returnable
+## Returnables
 
 ### Income from returnables (DE: Pfand)