diff --git a/doc.zih.tu-dresden.de/docs/jobs_and_resources/alpha_centauri.md b/doc.zih.tu-dresden.de/docs/jobs_and_resources/alpha_centauri.md
index 1e4d6cced1982365a2a3b7c13b605124f9a006e5..4cfccc786620a9ec70258f7eee0243bd413d9281 100644
--- a/doc.zih.tu-dresden.de/docs/jobs_and_resources/alpha_centauri.md
+++ b/doc.zih.tu-dresden.de/docs/jobs_and_resources/alpha_centauri.md
@@ -68,7 +68,7 @@ To check the available modules for `Alpha`, use the command
 marie@login.alpha$ module spider <module_name>
 ```
 
-??? example "Searching and loading PyTorch"
+??? example "Example: Searching and loading PyTorch"
 
     For example, to check which `PyTorch` versions are available you can invoke
 
@@ -124,35 +124,37 @@ marie@login.alpha$ module spider <module_name>
 
 ### Python Virtual Environments
 
-[Virtual environments](../software/python_virtual_environments.md) allow users to install
-additional python packages and create an isolated
-runtime environment. We recommend using `virtualenv` for this purpose.
+[Virtual environments](../software/python_virtual_environments.md) allow you to install
+additional Python packages and create an isolated runtime environment. We recommend using
+`virtualenv` for this purpose.
 
-```console
-marie@login.alpha$ srun --nodes=1 --cpus-per-task=1 --gres=gpu:1 --time=01:00:00 --pty bash -l
-marie@alpha$ mkdir python-environments                               # please use workspaces
-marie@alpha$ module load modenv/hiera GCC/10.2.0 CUDA/11.1.1 OpenMPI/4.0.5 PyTorch
-Module GCC/10.2.0, CUDA/11.1.1, OpenMPI/4.0.5, PyTorch/1.9.0 and 54 dependencies loaded.
-marie@alpha$ which python
-/sw/installed/Python/3.8.6-GCCcore-10.2.0/bin/python
-marie@alpha$ pip list
-[...]
-marie@alpha$ virtualenv --system-site-packages python-environments/my-torch-env
-created virtual environment CPython3.8.6.final.0-64 in 42960ms
-  creator CPython3Posix(dest=~/python-environments/my-torch-env, clear=False, global=True)
-  seeder FromAppData(download=False, pip=bundle, setuptools=bundle, wheel=bundle, via=copy, app_data_dir=~/.local/share/virtualenv)
-    added seed packages: pip==21.1.3, setuptools==57.2.0, wheel==0.36.2
-  activators BashActivator,CShellActivator,FishActivator,PowerShellActivator,PythonActivator,XonshActivator
-marie@alpha$ source python-environments/my-torch-env/bin/activate
-(my-torch-env) marie@alpha$ pip install torchvision
-[...]
-Installing collected packages: torchvision
-Successfully installed torchvision-0.10.0
-[...]
-(my-torch-env) marie@alpha$ python -c "import torchvision; print(torchvision.__version__)"
-0.10.0+cu102
-(my-torch-env) marie@alpha$ deactivate
-```
+??? example "Example: Creating virtual environment and installing `torchvision` package"
+
+    ```console
+    marie@login.alpha$ srun --nodes=1 --cpus-per-task=1 --gres=gpu:1 --time=01:00:00 --pty bash -l
+    marie@alpha$ mkdir python-environments                               # please use workspaces
+    marie@alpha$ module load modenv/hiera GCC/10.2.0 CUDA/11.1.1 OpenMPI/4.0.5 PyTorch
+    Module GCC/10.2.0, CUDA/11.1.1, OpenMPI/4.0.5, PyTorch/1.9.0 and 54 dependencies loaded.
+    marie@alpha$ which python
+    /sw/installed/Python/3.8.6-GCCcore-10.2.0/bin/python
+    marie@alpha$ pip list
+    [...]
+    marie@alpha$ virtualenv --system-site-packages python-environments/my-torch-env
+    created virtual environment CPython3.8.6.final.0-64 in 42960ms
+      creator CPython3Posix(dest=~/python-environments/my-torch-env, clear=False, global=True)
+      seeder FromAppData(download=False, pip=bundle, setuptools=bundle, wheel=bundle, via=copy, app_data_dir=~/.local/share/virtualenv)
+        added seed packages: pip==21.1.3, setuptools==57.2.0, wheel==0.36.2
+      activators BashActivator,CShellActivator,FishActivator,PowerShellActivator,PythonActivator,XonshActivator
+    marie@alpha$ source python-environments/my-torch-env/bin/activate
+    (my-torch-env) marie@alpha$ pip install torchvision
+    [...]
+    Installing collected packages: torchvision
+    Successfully installed torchvision-0.10.0
+    [...]
+    (my-torch-env) marie@alpha$ python -c "import torchvision; print(torchvision.__version__)"
+    0.10.0+cu102
+    (my-torch-env) marie@alpha$ deactivate
+    ```
 
 ### JupyterHub