TA6 Fix Fix

Author: FFricke

_areas/en/ta6.md

@@ -2,10 +2,10 @@
 layout: area
 title: Task Area 6 – Qualification, Integration and Harmonisation
 order: 6
-lang: de
+lang: en
 translation_key: ta6
 type: ta
-permalink: /areas/ta6/
+permalink: /en/areas/ta6/
 icon: assets/icons/task-areas/Task-Area-06.svg
 zenodo_url: https://zenodo.org/records/10409228
 zenodo_pages: p. 93-98