diff --git a/Makefile b/Makefile
index 0c159f7..309fe43 100644
--- a/Makefile
+++ b/Makefile
@@ -13,7 +13,7 @@ DEPLOY_HOST = tengo@tuttle.uberspace.de
 
 # Per-course settings: NAME, KAPITEL, DEPLOY, PORT, KLAUSUR (1 or empty)
 223015b_NAME    = Dateiformate, Schnittstellen, Speichermedien
-223015b_KAPITEL = 00-intro 01-grundlagen-text-audio 02-bild-audio-video 03-speichermedien-schnittstellen 04-distribution-apis-zukunft 05-vertiefung-offene-fragen klausurfolien klausurfragen
+223015b_KAPITEL = 00-intro 01-datenfundamentale 02-kompression 03-inhalte-bild-audio-video 04-speicher-schnittstellen 05-distribution-metadaten klausurfolien klausurfragen
 223015b_DEPLOY  = /home/tengo/html/hdm/223015b
 223015b_KLAUSUR = 1
 
diff --git a/slides/223015b/01-grundlagen-text-audio.md b/slides/223015b/01-datenfundamentale.md
similarity index 100%
rename from slides/223015b/01-grundlagen-text-audio.md
rename to slides/223015b/01-datenfundamentale.md
diff --git a/slides/223015b/02-bild-audio-video.md b/slides/223015b/02-kompression.md
similarity index 100%
rename from slides/223015b/02-bild-audio-video.md
rename to slides/223015b/02-kompression.md
diff --git a/slides/223015b/03-speichermedien-schnittstellen.md b/slides/223015b/03-inhalte-bild-audio-video.md
similarity index 100%
rename from slides/223015b/03-speichermedien-schnittstellen.md
rename to slides/223015b/03-inhalte-bild-audio-video.md
diff --git a/slides/223015b/04-distribution-apis-zukunft.md b/slides/223015b/04-speicher-schnittstellen.md
similarity index 100%
rename from slides/223015b/04-distribution-apis-zukunft.md
rename to slides/223015b/04-speicher-schnittstellen.md
diff --git a/slides/223015b/05-vertiefung-offene-fragen.md b/slides/223015b/05-distribution-metadaten.md
similarity index 100%
rename from slides/223015b/05-vertiefung-offene-fragen.md
rename to slides/223015b/05-distribution-metadaten.md