Updated instructions to install additional dependencies

doc/user_guide/docker/docker_usage.md

@@ -177,8 +177,9 @@ docker exec --user root -it ${CONTAINER_ID} bash
 
 ## Installing Additional Dependencies
 
-When using one of the Jupyter notebooks you can simply add a cell and execute [magic-pip](https://ipython.readthedocs.io/en/stable/interactive/magics.html#magic-pip) in it:
+Using one of the Jupyter notebooks you can simply add a cell and execute [magic-pip](https://ipython.readthedocs.io/en/stable/interactive/magics.html#magic-pip) in it.
 
+The following command installs Python dependendy `stream-zip`:
 ```shell
 %pip install --upgrade stream-zip
 ```