diff --git a/README.md b/README.md
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--- a/README.md
+++ b/README.md
@@ -51,7 +51,10 @@ source ./spark_env/activate.sh
 export MASTER_URL=spark://jwb0129i.juwels:4124
 python pyspark_pi.py
 ```
-Note the `i` that you must replace the hostname including the `i`. 
+Note that you must replace the hostname including the `i`. 
+
+You also start spark within a Jupyter Session, as in the example notebook (PySpark_PI.ipynb). 
+![](./figs/jupyter_spark.png)
 
 ### Monitoring
 To connect to the master and workers with a browser, you need a command of the following form:
diff --git a/figs/jupyter_spark.png b/figs/jupyter_spark.png
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