diff --git a/Kapitel 13/Tutorial.md b/Kapitel 13/Tutorial.md
index fe4acc4..53e9ca0 100644
--- a/Kapitel 13/Tutorial.md	
+++ b/Kapitel 13/Tutorial.md	
@@ -844,113 +844,112 @@ Das folgende Schaubild zeigt dir die konkrete Verkabelung
 
 
    ## Schritt 4.1 – Analyse‑Skript anlegen
-   **Ort:** Terminal im **Clipper‑LXC** → als Benutzer **`clipper`**
+      **Ort:** Terminal im **Clipper‑LXC** → als Benutzer **`clipper`**
 
 
-   Öffne das Skript und trage den Inhalt ein:
+      Öffne die Datei und füge den Inhalt ein:
 
 
-   ```bash
-   nano /srv/clipper/bin/vod-analyze
-   ```
+      ```bash
+      nano /srv/clipper/bin/vod-analyze # (dieses Skript wird das VOD analysieren und candidates.json erzeugen)
+      ```
 
 
-   Inhalt:
-   ```bash
-   #!/usr/bin/env bash
-   set -euo pipefail
-   . /etc/clipper/clipper.env
+      Inhalt:
+      ```bash
+      #!/usr/bin/env bash
+      set -euo pipefail
+      . /etc/clipper/clipper.env
 
 
-   ID="${1:?need VOD id}"
+      ID="${1:?need VOD id}"
 
 
-   VOD_IN_MP4="${CLIPPER_IN}/${ID}.mp4"
-   OUT_BASE="${CLIPPER_OUT}/${ID}"
-   ANALYSIS="${OUT_BASE}/analysis"
-   LOGDIR="${CLIPPER_LOG}/${ID}"
+      VOD_IN_MP4="/srv/clipper/temp/${ID}.mp4" # temporäre Datei (vom VOD aus NC heruntergeladen)
+      OUT_BASE="${CLIPPER_OUT}/${ID}"
+      ANALYSIS="${OUT_BASE}/analysis"
+      LOGDIR="${CLIPPER_LOG}/${ID}"
 
 
-   mkdir -p "$ANALYSIS" "$LOGDIR"
-   exec > >(tee -a "${LOGDIR}/analyze.log") 2>&1
-   echo "== Analyze $ID =="
+      mkdir -p "$ANALYSIS" "$LOGDIR"
+      exec > >(tee -a "${LOGDIR}/analyze.log") 2>&1
+      echo "== Analyze $ID =="
 
 
-   # 1) Szenenwechsel
-   ffmpeg -hide_banner -loglevel error -i "${VOD_IN_MP4}" \
-   -vf "scale=-2:360,select=gt(scene\,0.30),showinfo" -an -f null - \
-   2> "${LOGDIR}/sceneinfo.log"
+      # 1) Szenenwechsel
+      ffmpeg -hide_banner -loglevel error -i "${VOD_IN_MP4}" \
+      -vf "scale=-2:360,select=gt(scene\,0.30),showinfo" -an -f null - \
+      2> "${LOGDIR}/sceneinfo.log"
 
 
-   # 2) Audio-Statistik
-   ffmpeg -hide_banner -loglevel error -i "${VOD_IN_MP4}" \
-   -vn -ac 1 -ar 16000 \
-   -af "astats=metadata=1:reset=2,ametadata=print:key=lavfi.astats.Overall.RMS_level" \
-   -f null - \
-   2> "${LOGDIR}/astats.log" || true
+      # 2) Audio-Statistik
+      ffmpeg -hide_banner -loglevel error -i "${VOD_IN_MP4}" \
+      -vn -ac 1 -ar 16000 \
+      -af "astats=metadata=1:reset=2,ametadata=print:key=lavfi.astats.Overall.RMS_level" \
+      -f null - \
+      2> "${LOGDIR}/astats.log" || true
 
 
-   # 3) Logs → candidates.json
-   ANALYSIS="$ANALYSIS" LOGDIR="$LOGDIR" python3 - <<'PY'
-   import os,re,json
-   out=os.environ["ANALYSIS"]; log=os.environ["LOGDIR"]
+      # 3) Logs → candidates.json
+      ANALYSIS="$ANALYSIS" LOGDIR="$LOGDIR" python3 - <<'PY'
+      import os,re,json
+      out=os.environ["ANALYSIS"]; log=os.environ["LOGDIR"]
 
 
-   scene_ts=[]
-   with open(os.path.join(log,"sceneinfo.log"), errors="ignore") as f:
-   for line in f:
-   m=re.search(r"pts_time:([0-9]+(?:\.[0-9]+)?)", line)
-   if m: scene_ts.append(float(m.group(1)))
+      scene_ts=[]
+      with open(os.path.join(log,"sceneinfo.log"), errors="ignore") as f:
+      for line in f:
+      m=re.search(r"pts_time:([0-9]+(?:\.[0-9]+)?)", line)
+      if m: scene_ts.append(float(m.group(1)))
 
 
-   has_audio=False
-   ap=os.path.join(log,"astats.log")
-   if os.path.exists(ap):
-   with open(ap, errors="ignore") as f:
-   has_audio = "RMS_level" in f.read()
+      has_audio=False
+      ap=os.path.join(log,"astats.log")
+      if os.path.exists(ap):
+      with open(ap, errors="ignore") as f:
+      has_audio = "RMS_level" in f.read()
 
 
-   cands=[{
-   "start": max(0.0,t-2.0),
-   "end": t+6.0,
-   "score": round(0.6+(0.1 if has_audio else 0),2),
-   "tags": ["scene-cut"] + (["audio-peak"] if has_audio else [])
-   } for t in scene_ts]
+      cands=[{
+      "start": max(0.0,t-2.0),
+      "end": t+6.0,
+      "score": round(0.6+(0.1 if has_audio else 0),2),
+      "tags": ["scene-cut"] + (["audio-peak"] if has_audio else [])
+      } for t in scene_ts]
 
 
-   with open(os.path.join(out,"candidates.json"),"w",encoding="utf-8") as f:
-   json.dump(cands,f,ensure_ascii=False,indent=2)
-   print("Wrote", os.path.join(out,"candidates.json"))
-   PY
+      with open(os.path.join(out,"candidates.json"),"w",encoding="utf-8") as f:
+      json.dump(cands,f,ensure_ascii=False,indent=2)
+      print("Wrote", os.path.join(out,"candidates.json"))
+      PY
 
 
-   echo "== Done $ID =="
-   ```
+      echo "== Done $ID =="
 
 
-   Ausführbar machen:
-   ```bash
-   chmod +x /srv/clipper/bin/clipper-analyze
-   ```
+      # cleanup temp VOD
+      echo "== Cleanup: remove temp file $VOD_IN_MP4 =="
+      rm -f "$VOD_IN_MP4"
+      ```
 
 
-   ---
+      ---
 
 
-   ## Schritt 4.2 – n8n: Analyse starten
-   **Ort:** n8n‑Weboberfläche
+      ## Schritt 4.2 – n8n: Analyse starten
+      **Ort:** n8n‑Weboberfläche
 
 
-   **SSH Node – Analyze VOD**
-   - **Credentials:** `SSH Clipper`
-   - **Working Dir:** `/srv/clipper`
-   - **Command (Expression):**
-   ```js
-   {{`/srv/clipper/bin/vod-analyze ${$json.data.id}`}}
-   ```
+      **SSH Node – Analyze VOD**
+      - **Credentials:** `SSH Clipper`
+      - **Working Dir:** `/srv/clipper`
+      - **Command (Expression):**
+      ```js
+      {{`/srv/clipper/bin/vod-analyze ${$json.data.id}`}}
+      ```
 
 
-   ---
+      ---
 
 
    ## Ergebnis