Update README.md

Author: r0f1

README.md

@@ -33,7 +33,7 @@ General ticks: [link](https://www.dataquest.io/blog/jupyter-notebook-tips-tricks
 #### Big Data
 [spark](https://docs.databricks.com/spark/latest/dataframes-datasets/introduction-to-dataframes-python.html#work-with-dataframes) - `DataFrame` for big data, [cheatsheet](https://gist.github.com/crawles/b47e23da8218af0b9bd9d47f5242d189), [tutorial](https://github.com/ericxiao251/spark-syntax).  
 [sparkit-learn](https://github.com/lensacom/sparkit-learn) - PySpark + Scikit-learn.  
-[dask](https://github.com/dask/dask), [dask-ml](http://ml.dask.org/) - Pandas `DataFrame` for big data and machine learning library, [resources](https://matthewrocklin.com/blog//work/2018/07/17/dask-dev), [talk1](https://www.youtube.com/watch?v=ccfsbuqsjgI), [talk2](https://www.youtube.com/watch?v=RA_2qdipVng).  
+[dask](https://github.com/dask/dask), [dask-ml](http://ml.dask.org/) - Pandas `DataFrame` for big data and machine learning library, [resources](https://matthewrocklin.com/blog//work/2018/07/17/dask-dev), [talk1](https://www.youtube.com/watch?v=ccfsbuqsjgI), [talk2](https://www.youtube.com/watch?v=RA_2qdipVng), [notebooks](https://github.com/dask/dask-ec2/tree/master/notebooks).  
 [turicreate](https://github.com/apple/turicreate) - Helpful `SFrame` class for out-of-memory dataframes.  
 [h2o](https://github.com/h2oai/h2o-3) - Helpful `H2OFrame` class for out-of-memory dataframes.  
 [datatable](https://github.com/h2oai/datatable) - Data Table for big data support.