diff --git a/content/posts/de/boltenheide-foss-pilotschule.md b/content/posts/de/boltenheide-foss-pilotschule.md
index eadaf6d50ae25faf8d0d0c0f75e8864fd2d09174..0018895eaf31a97c6fb0151397cc6062232c13fa 100644
--- a/content/posts/de/boltenheide-foss-pilotschule.md
+++ b/content/posts/de/boltenheide-foss-pilotschule.md
@@ -1,6 +1,6 @@
 Title: boltenheide-foss-pilotschule
 Author: Dominik George
 Date: 2018-11-14
-Lang: en
+Lang: de
 
-# Realschule Boltenheide is the first FOSS pilot school
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+# Realschule Boltenheide ist erste Freie-Software-Pilotschule
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