diff --git a/md/02_hll_intro.md b/md/02_hll_intro.md
index 08e4c35f731bee294972c97bb16740e847a54b28..c1b486935ec62b55c8d688786032eeba7e08b4a4 100644
--- a/md/02_hll_intro.md
+++ b/md/02_hll_intro.md
@@ -6,25 +6,31 @@ jupyter:
       extension: .md
       format_name: markdown
       format_version: '1.3'
-      jupytext_version: 1.14.4
+      jupytext_version: 1.14.5
   kernelspec:
-    display_name: 02_hll_env
+    display_name: worker_env
     language: python
-    name: hll_env
+    name: worker_env
 ---
 
 <div style="width: 100%;display: flex; align-items: top;">
     <div style="float:left;width: 80%;text-align:left;position:relative">
         <h1>Part 2: Privacy-aware data structure - Introduction to HyperLogLog</h1>
-        <p><strong>Workshop: Social Media, Data Analysis, &amp; Cartograpy, WS 2022/23</strong></p>
-            <p><em><a href="mailto:alexander.dunkel@tu-dresden.de">Alexander Dunkel</a>, Madalina Gugulica, Institute of Cartography, TU Dresden</em><br><img src="https://kartographie.geo.tu-dresden.de/python_datascience_course/version.svg" style="float:left"></p></div>
-    <div style="float:right">
-    <img src="https://kartographie.geo.tu-dresden.de/python_datascience_course/TU_Dresden_Logo_blau_HKS41.svg" style="position:relative;width:256px;text-align:right;margin-top:0px;margin-right:10px"/>
+        <p><strong>Workshop: Social Media, Data Analysis, &amp; Cartograpy, WS 2023/24</strong></p>
+            <p><em><a href="mailto:alexander.dunkel@tu-dresden.de">Alexander Dunkel</a>
+            <br> Leibniz Institute of Ecological Urban and Regional Development, 
+        Transformative Capacities & Research Data Centre & Technische Universität Dresden, 
+        Institute of Cartography</em></p>
+        <p><img src="https://kartographie.geo.tu-dresden.de/ad/jupyter_python_datascience/version.svg" style="float:left"></p>
+    </div>
+    <div style="float: right;">
+    <div style="width:300px">
+    <img src="https://kartographie.geo.tu-dresden.de/ad/jupyter_python_datascience/FDZ-Logo_DE_RGB-blk_bg-tra_mgn-full_h200px_web.svg" style="position:relative;width:256px;margin-top:0px;margin-right:10px;clear: both;"/>
+    <img  src="https://kartographie.geo.tu-dresden.de/ad/jupyter_python_datascience/TU_Dresden_Logo_blau_HKS41.svg" style="position:relative;width:256px;margin-top:0px;margin-right:10px;clear: both;"/>
+    </div>
     </div>
 </div>
 
-<img src="https://ad.vgiscience.org/yfcc_gridagg/cover_figures.png" style="width:800px;text-align:left;position:relative;float:left">
-
 
 This is the second notebook in a series of four notebooks:
     
@@ -43,6 +49,16 @@ Open these notebooks through the file explorer on the left side.
 </div>
 
 
+Link the environment for this notebook, if not already done:
+
+```python
+!/data/horse/ws/s7398234-p_lv_mobicart_2324/workshop_envs/hll_env/bin/python \
+    -m ipykernel install \
+    --user \
+    --name hll_env \
+    --display-name="02_hll_env"
+```
+
 <div class="alert alert-info" role="alert" style="color: black;">
     <details><summary><strong>Steep learning curve ahead</strong></summary>
         <div style="width:500px">
@@ -1281,15 +1297,11 @@ fig.savefig(
 </div>
 
 
-```python jupyter={"source_hidden": true} tags=["hidden"]
+```python tags=["hidden"]
 root_packages = [
     'python', 'colorcet', 'holoviews', 'ipywidgets', 'geoviews', 'hvplot',
     'geopandas', 'mapclassify', 'memory_profiler', 'python-dotenv', 'shapely',
     'matplotlib', 'sklearn', 'numpy', 'pandas', 'bokeh', 'fiona',
-    'matplotlib-venn', 'xarray']
+    'matplotlib-venn', 'xarray', 'panel']
 tools.package_report(root_packages)
 ```
-
-```python
-
-```