diff --git a/06_preprocessing_pipelines_and_hyperparameter_optimization.ipynb b/05_preprocessing_pipelines_and_hyperparameter_optimization.ipynb
similarity index 98%
rename from 06_preprocessing_pipelines_and_hyperparameter_optimization.ipynb
rename to 05_preprocessing_pipelines_and_hyperparameter_optimization.ipynb
index cc17beace2f9b15ab1886103ae509831bfb95b3b..f0627f7e417bcf7079dd671cfedd4b7f5afb6bc4 100644
--- a/06_preprocessing_pipelines_and_hyperparameter_optimization.ipynb
+++ b/05_preprocessing_pipelines_and_hyperparameter_optimization.ipynb
@@ -134,7 +134,7 @@
    "cell_type": "markdown",
    "metadata": {},
    "source": [
-    "# Chapter 6: Preprocessing, pipelines and hyperparameters optimization"
+    "# Chapter 5: Preprocessing, pipelines and hyperparameters optimization"
    ]
   },
   {
@@ -1023,6 +1023,19 @@
    "latex_user_defs": false,
    "report_style_numbering": false,
    "user_envs_cfg": false
+  },
+  "toc": {
+   "base_numbering": 1,
+   "nav_menu": {},
+   "number_sections": true,
+   "sideBar": true,
+   "skip_h1_title": false,
+   "title_cell": "Table of Contents",
+   "title_sidebar": "Contents",
+   "toc_cell": false,
+   "toc_position": {},
+   "toc_section_display": true,
+   "toc_window_display": false
   }
  },
  "nbformat": 4,
diff --git a/05_classifiers_overview.ipynb b/06_classifiers_overview.ipynb
similarity index 99%
rename from 05_classifiers_overview.ipynb
rename to 06_classifiers_overview.ipynb
index 9a29e61c84d84efe70ce33ddf55093832ba3d296..421f88e92154d1789c43854c19406304e0fff4fd 100644
--- a/05_classifiers_overview.ipynb
+++ b/06_classifiers_overview.ipynb
@@ -133,7 +133,7 @@
    "cell_type": "markdown",
    "metadata": {},
    "source": [
-    "# Chapter 5: An overview of classifiers"
+    "# Chapter 6: An overview of classifiers"
    ]
   },
   {
@@ -3127,7 +3127,7 @@
    "name": "python",
    "nbconvert_exporter": "python",
    "pygments_lexer": "ipython3",
-   "version": "3.7.3"
+   "version": "3.7.2"
   },
   "latex_envs": {
    "LaTeX_envs_menu_present": true,
@@ -3146,6 +3146,19 @@
    "latex_user_defs": false,
    "report_style_numbering": false,
    "user_envs_cfg": false
+  },
+  "toc": {
+   "base_numbering": 1,
+   "nav_menu": {},
+   "number_sections": true,
+   "sideBar": true,
+   "skip_h1_title": false,
+   "title_cell": "Table of Contents",
+   "title_sidebar": "Contents",
+   "toc_cell": false,
+   "toc_position": {},
+   "toc_section_display": true,
+   "toc_window_display": false
   }
  },
  "nbformat": 4,
diff --git a/intro_presentation/index.html b/intro_presentation/index.html
index 6d9778ddf39c3b054e640565cd82ca83429a20d9..b82bb394914041c54a9394f4d91146ff541ce80e 100644
--- a/intro_presentation/index.html
+++ b/intro_presentation/index.html
@@ -410,7 +410,7 @@ What will you learn?
 * Basic concepts of Machine Learning (ML).
 
 
-* More about classical machine learning than artificial neural networks.
+* More about classical machine learning than about artificial neural networks.
 
 
 * General overview of supervised learning and related methods.
@@ -426,7 +426,7 @@ What will you learn?
 * Basic concepts of Machine Learning (ML).
 
 
-* More about classical machine learning than artificial neural networks.
+* More about classical machine learning than about artificial neural networks.
 
 
 * General overview of supervised learning and related methods.
@@ -575,7 +575,7 @@ class: remark-slide-content-large
 - Chapter 4: Measuring Quality of a Classifier
 
 
-- Chapter 5: Classification Algorithms Overview
+- Chapter 5: Pipelines and Hyperparameter Optimisation
 
 
 ---
@@ -583,14 +583,14 @@ class: remark-slide-content-large
 
 # Day 2
 
-- Chapter 6: Pipelines and Hyperparameter Optimisation
+- Chapter 6: Classification Algorithms Overview
 
 ---
 class: remark-slide-content-large
 
 # Day 2
 
-- Chapter 6: Pipelines and Hyperparameter Optimisation
+- Chapter 6: Classification Algorithms Overview
 
 
 - Chapter 7: Introduction to Regression
@@ -600,7 +600,7 @@ class: remark-slide-content-large
 
 # Day 2
 
-- Chapter 6: Pipelines and Hyperparameter Optimisation
+- Chapter 6: Classification Algorithms Overview
 
 
 - Chapter 7: Introduction to Regression
@@ -750,17 +750,6 @@ class: remark-slide-content-large
         </div>
     </center>
 
-<p>5. Enter <br/><br/>
-    <center>
-        <div style="font-family: Roboto Mono; font-size: .8em; color: #0069B4;">
-            <center>./pycharm.sh</center>
-        </div>
-    </center>
-
-
-<p>4. Start Terminal (click `activity` top-left corner)
-<br/>
-<br/>
 
 ---
 class: remark-slide-content-large
@@ -822,20 +811,12 @@ class: remark-slide-content-large
 
 ## How to upload the notebooks to polybox
 
-<p>1. Start Terminal (click `activity` top-left corner)
-<br/>
-<br/>
-
-<p>2. Enter <br/><br/><div style="font-family: Roboto Mono; font-size: .8em; color: #0069B4;"><center>ln -s .tmp/ml_workshop $HOME</center></div>
-<br/>
 
-<p>3. You should find the notebooks in `ml_workshop` in your homefolder.
+<p>1. You should find the notebooks in `ml_workshop` in your homefolder.
 <br/>
  . 
-<p>4. Open `https://polybox.ethz.ch` to upload your notebooks manually . 
+<p>2. Open `https://polybox.ethz.ch` to upload your notebooks manually. 
 <br/>
----
-
 
     </textarea>
     <script src="https://remarkjs.com/downloads/remark-latest.min.js">
diff --git a/setup_eth_course_rooms/install.sh b/setup_eth_course_rooms/install.sh
index de0fad02ebf312e960eb6ade31b2c3b78a3238d0..18d67db68399714d948bb536c77c47405ddbcf3d 100755
--- a/setup_eth_course_rooms/install.sh
+++ b/setup_eth_course_rooms/install.sh
@@ -14,7 +14,7 @@ err() {
 }
 trap 'err $LINENO' ERR
 
-WORKSHOP_TMP=${HOME}/tmp/ml_workshop_notebooks
+WORKSHOP_TMP=${HOME}/ml_workshop_notebooks
 
 BASE_URL="https://sis.id.ethz.ch/mlw"