Update README.md (#1930)

Signed-off-by: Laura Murgatroyd <[email protected]>

README.md

@@ -27,15 +27,16 @@ conda create --name cil -c conda-forge -c https://software.repos.intel.com/pytho
 To install CIL and the additional packages and plugins needed to run the [CIL demos](https://github.com/TomographicImaging/CIL-Demos) install the environment with:
 
 ```sh
-conda create --name cil -c conda-forge -c https://software.repos.intel.com/python/conda -c ccpi cil=24.1.0 astra-toolbox=*=cuda* tigre ccpi-regulariser tomophantom ipywidgets
+conda create --name cil -c conda-forge -c https://software.repos.intel.com/python/conda -c ccpi cil=24.1.0 astra-toolbox=*=cuda* tigre ccpi-regulariser tomophantom ipykernel ipywidgets
 ```
 
 where:
-- `astra-toolbox` enables CIL support for [ASTRA toolbox](http://www.astra-toolbox.com) CPU projector (2D Parallel beam only) (GPLv3 license)
+- `astra-toolbox=*=py*` enables CIL support for [ASTRA toolbox](http://www.astra-toolbox.com) CPU projector (2D Parallel beam only) (GPLv3 license)
 - `astra-toolbox=*=cuda*` (requires an NVIDIA GPU) enables CIL support for [ASTRA toolbox](http://www.astra-toolbox.com) GPU projectors (GPLv3 license)
 - `tigre` (requires an NVIDIA GPU) enables support for [TIGRE](https://github.com/CERN/TIGRE) toolbox projectors (BSD license)
 - `ccpi-regulariser` is the [CCPi Regularisation Toolkit](https://github.com/TomographicImaging/CCPi-Regularisation-Toolkit)
 - `tomophantom` can generate phantoms to use as test data [Tomophantom](https://github.com/dkazanc/TomoPhantom)
+- `ipykernel`  provides the IPython kernel for Jupyter (allowing jupyter notebooks to be run)
 - `ipywidgets` enables visulisation tools within jupyter noteboooks
 
 ### Dependencies