fix link

_media/2019-12-18-lukas-uber-den-co2-verbrauch-der-nook.md

@@ -9,7 +9,7 @@ uid: 771f73a6-5bc6-427f-a273-1a797d37a8c0
 ticket_id: 1518
 yt: "https://www.youtube.com/watch?v=9EAL_sEZwj8"
 archive: "https://archive.org/details/2019-12-18-5min-lukas-oekobilanz"
-file: "https://video.chaotikum.net/5min/2019-12-18-5min-thomas-juleika.mov.mp4"
+file: "https://video.chaotikum.net/5min/2019-12-18-5min-lukas-oekobilanz.mov.mp4"
 mccc: "https://media.ccc.de/v/chaotikum-nookbilanz"
 event: f95eacea-4a4f-4cea-a289-1770d5fd4b1d
 conferences: