diff --git a/2023-08-03-transport-OSS and Mobility.ipynb b/2023-08-03-transport-OSS and Mobility.ipynb
index f88cedc..e0df875 100644
--- a/2023-08-03-transport-OSS and Mobility.ipynb	
+++ b/2023-08-03-transport-OSS and Mobility.ipynb	
@@ -15,13 +15,11 @@
    "cell_type": "markdown",
    "metadata": {
     "slideshow": {
-     "slide_type": "slide"
+     "slide_type": "subslide"
     }
    },
    "source": [
-    "> <span style=\"color:orange; font-weight:bold;\">WARNING</span>  \n",
-    "> The content is based on my exploration of the community tools.   \n",
-    "> It is by no means an overall introduction to OSS for mobility.  \n",
+    "> <span style=\"color:orange; font-weight:bold;\">WARNING</span>  The content is based on my exploration of the community tools. It is by no means an overall introduction to OSS for mobility.  \n",
     "\n",
     "\n",
     "> **e.g.: usage of QGIS is much more present in the community, but is not part of my tools.**\n",
@@ -35,7 +33,7 @@
    "cell_type": "markdown",
    "metadata": {
     "slideshow": {
-     "slide_type": "slide"
+     "slide_type": "subslide"
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@@ -72,7 +70,7 @@
    "cell_type": "markdown",
    "metadata": {
     "slideshow": {
-     "slide_type": "slide"
+     "slide_type": "subslide"
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@@ -83,7 +81,7 @@
    "cell_type": "markdown",
    "metadata": {
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-     "slide_type": "slide"
+     "slide_type": "subslide"
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@@ -94,7 +92,7 @@
    "cell_type": "markdown",
    "metadata": {
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-     "slide_type": "slide"
+     "slide_type": "subslide"
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@@ -105,7 +103,7 @@
    "cell_type": "markdown",
    "metadata": {
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+     "slide_type": "subslide"
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@@ -134,7 +132,7 @@
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+     "slide_type": "subslide"
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@@ -159,7 +157,7 @@
    "cell_type": "markdown",
    "metadata": {
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-     "slide_type": "slide"
+     "slide_type": "subslide"
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@@ -170,7 +168,7 @@
    "cell_type": "markdown",
    "metadata": {
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-     "slide_type": "slide"
+     "slide_type": "subslide"
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@@ -264,7 +262,7 @@
    "cell_type": "markdown",
    "metadata": {
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-     "slide_type": "slide"
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@@ -620,7 +618,7 @@
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@@ -752,7 +750,7 @@
    "cell_type": "markdown",
    "metadata": {
     "slideshow": {
-     "slide_type": "slide"
+     "slide_type": "subslide"
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    "source": [
@@ -770,10 +768,7 @@
    },
    "source": [
     "```python\n",
-    "import networkx as nx\n",
-    "import osmnx as ox\n",
-    "import pandas as pd\n",
-    "\n",
+    "import networkx as nx; import osmnx as ox; import pandas as pd\n",
     "def get_stats_for_location(location):\n",
     "    # info\n",
     "```"
@@ -1115,7 +1110,7 @@
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    "metadata": {
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@@ -1132,7 +1127,7 @@
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@@ -1198,7 +1193,7 @@
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@@ -1231,7 +1226,7 @@
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@@ -1402,7 +1397,7 @@
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@@ -1423,7 +1418,7 @@
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@@ -1445,7 +1440,7 @@
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diff --git a/2023-08-03-transport-OSS and Mobility.slides.html b/2023-08-03-transport-OSS and Mobility.slides.html
index 3590bda..a3f685f 100644
--- a/2023-08-03-transport-OSS and Mobility.slides.html	
+++ b/2023-08-03-transport-OSS and Mobility.slides.html	
@@ -15181,7 +15181,7 @@
 </div>
 </div>
 </div>
-</div></section></section><section ><section >
+</div></section><section >
 <div  class="jp-Cell jp-MarkdownCell jp-Notebook-cell">
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 <blockquote>
-<p><span style="color:orange; font-weight:bold;">WARNING</span><br />
-The content is based on my exploration of the community tools.<br />
-It is by no means an overall introduction to OSS for mobility.</p>
+<p><span style="color:orange; font-weight:bold;">WARNING</span>  The content is based on my exploration of the community tools. It is by no means an overall introduction to OSS for mobility.</p>
 </blockquote>
 <blockquote>
 <p><strong>e.g.: usage of QGIS is much more present in the community, but is not part of my tools.</strong></p>
@@ -15204,7 +15202,7 @@
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 </div>
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@@ -15273,7 +15271,7 @@ <h1 id="Introduction">Introduction<a class="anchor-link" href="#Introduction">&#
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@@ -15286,7 +15284,7 @@ <h1 id="Introduction">Introduction<a class="anchor-link" href="#Introduction">&#
 </div>
 </div>
 </div>
-</div></section></section><section ><section >
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@@ -15303,7 +15301,7 @@ <h2 id="Why-data">Why data<a class="anchor-link" href="#Why-data">&#182;</a></h2
 </div>
 </div>
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-</div></section></section><section ><section >
+</div></section><section >
 <div  class="jp-Cell jp-MarkdownCell jp-Notebook-cell">
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@@ -15328,7 +15326,7 @@ <h1 id="Maps">Maps<a class="anchor-link" href="#Maps">&#182;</a></h1><p><em>OSM,
 </div>
 </div>
 </div>
-</div></section></section><section ><section >
+</div></section><section >
 <div  class="jp-Cell jp-MarkdownCell jp-Notebook-cell">
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@@ -15341,7 +15339,7 @@ <h1 id="Maps">Maps<a class="anchor-link" href="#Maps">&#182;</a></h1><p><em>OSM,
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 </div>
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@@ -15452,7 +15450,7 @@ <h2 id="State-of-the-city-using-OSM-data">State of the city using OSM data<a cla
 
 </div>
 
-</div></section></section><section ><section >
+</div></section><section >
 <div  class="jp-Cell jp-MarkdownCell jp-Notebook-cell">
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@@ -15777,7 +15775,7 @@ <h2 id="Your-neighborhood-using-NetworkX">Your neighborhood using NetworkX<a cla
 
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-</div></div></section></section><section ><section >
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@@ -15916,7 +15914,7 @@ <h2 id="State-of-Transport">State of Transport<a class="anchor-link" href="#Stat
 
 </div>
 
-</div></section></section><section ><section >
+</div></section><section >
 <div  class="jp-Cell jp-MarkdownCell jp-Notebook-cell">
 <div class="jp-Cell-inputWrapper">
 <div class="jp-Collapser jp-InputCollapser jp-Cell-inputCollapser">
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-<div class="highlight"><pre><span></span><span class="kn">import</span> <span class="nn">networkx</span> <span class="k">as</span> <span class="nn">nx</span>
-<span class="kn">import</span> <span class="nn">osmnx</span> <span class="k">as</span> <span class="nn">ox</span>
-<span class="kn">import</span> <span class="nn">pandas</span> <span class="k">as</span> <span class="nn">pd</span>
-
+<div class="highlight"><pre><span></span><span class="kn">import</span> <span class="nn">networkx</span> <span class="k">as</span> <span class="nn">nx</span><span class="p">;</span> <span class="kn">import</span> <span class="nn">osmnx</span> <span class="k">as</span> <span class="nn">ox</span><span class="p">;</span> <span class="kn">import</span> <span class="nn">pandas</span> <span class="k">as</span> <span class="nn">pd</span>
 <span class="k">def</span> <span class="nf">get_stats_for_location</span><span class="p">(</span><span class="n">location</span><span class="p">):</span>
     <span class="c1"># info</span>
 </pre></div>
@@ -16150,7 +16145,7 @@ <h1 id="Routing">Routing<a class="anchor-link" href="#Routing">&#182;</a></h1><p
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 </div>
 </div>
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-</div></section></section><section ><section >
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+</div></section><section >
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 </div>
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-</div></section></section><section ><section >
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diff --git a/index.html b/index.html
index b7f8270..60a2e81 100644
--- a/index.html
+++ b/index.html
@@ -15237,6 +15237,7 @@ <h2 id="open-labs-presentations-"><span style="color:teal;font-weight:bold;">ope
 </ul>
 </li>
 </ul>
+<p><em>Don't forget to press pg-down through the slides</em></p>
 
 </div>
 </div>