diff --git a/Tourism/Prediction cancellation of hotel bookings/notebook.ipynb b/Tourism/Prediction cancellation of hotel bookings/notebook.ipynb
index 53a4b5d616a272986449a94b2160c82c65641735..b03d30e3a4387bceb0757ad47d8c4089ae46d19a 100644
--- a/Tourism/Prediction cancellation of hotel bookings/notebook.ipynb	
+++ b/Tourism/Prediction cancellation of hotel bookings/notebook.ipynb	
@@ -5,7 +5,6 @@
    "metadata": {
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-    "jp-MarkdownHeadingCollapsed": true,
     "paragraph": "Geschäftsverständnis",
     "slideshow": {
      "slide_type": ""
@@ -38,7 +37,6 @@
    "metadata": {
     "editable": true,
     "include": true,
-    "jp-MarkdownHeadingCollapsed": true,
     "paragraph": "Daten und Datenverständnis",
     "slideshow": {
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@@ -72,7 +70,6 @@
    "metadata": {
     "editable": true,
     "include": true,
-    "jp-MarkdownHeadingCollapsed": true,
     "paragraph": "Import von Relevant Module",
     "slideshow": {
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@@ -115,7 +112,6 @@
    "metadata": {
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     "include": true,
-    "jp-MarkdownHeadingCollapsed": true,
     "paragraph": "Daten Auslesen",
     "slideshow": {
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@@ -890,7 +886,6 @@
    "metadata": {
     "editable": true,
     "include": true,
-    "jp-MarkdownHeadingCollapsed": true,
     "paragraph": "Daten Vorbereitung",
     "slideshow": {
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@@ -1223,7 +1218,6 @@
    "metadata": {
     "editable": true,
     "include": true,
-    "jp-MarkdownHeadingCollapsed": true,
     "paragraph": "Test auf Multikollinearität",
     "slideshow": {
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@@ -1368,7 +1362,6 @@
    "metadata": {
     "editable": true,
     "include": true,
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     "paragraph": "Deskriptiv Analyse",
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@@ -1468,7 +1461,6 @@
    "metadata": {
     "editable": true,
     "include": true,
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     "paragraph": "Erfassung kategorialer Variablen",
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@@ -1808,7 +1800,6 @@
    "metadata": {
     "editable": true,
     "include": true,
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     "paragraph": "Modellierung und Auswertung",
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      "slide_type": ""