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