Getting-Started/Installation-and-Testing.md

@@ -76,11 +76,11 @@ In order to use BoSSS properly, a working installation of [**Jupyter**](https://
      the semi-commercial 
      [Anaconda Python distribution] (https://www.anaconda.com/products/individual);
      (This saves the next step, since Anaconda already ships with Jupyter).
-2. Provided that Python is already installed, one can install Jupyter by
+2. Provided that Python is already installed, one can install Jupyter by:
    ```plaintext
    pip install jupyterlab
    ```
-   resp.
+   Or, if you have both, Python 2 and Python 3 on your machine, by:
    ```plaintext
    pip3 install jupyterlab
    ```
@@ -96,6 +96,13 @@ In order to use BoSSS properly, a working installation of [**Jupyter**](https://
    For a first install, only Python notebooks are available in Jupyter. The Support for C#, 
    resp. `dotnet-interactive` must be added. (See also in the 
    [Original Documentation](https://github.com/dotnet/interactive/blob/main/docs/NotebooksLocalExperience.md).)
+
+   You should also install [Papermill](https://papermill.readthedocs.io/en/latest/)
+   which is used to execute Jupyter notebooks in batch mode using
+   ```
+   pip install papermill
+   ```
+   (again, you might have to use `pip3` instead of `pip`)
 3. The available kernels can be listed by `jupyter kernelspec list` in a python-aware terminal, e.g. Anaconda Prompt:
 
    ```plaintext