Update README.md

Author: slayoo

README.md

@@ -4,7 +4,7 @@
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-utility routines used in [PySDM](https://github.com/atmos-cloud-sim-uj/PySDM) and [PyMPDATA](https://github.com/atmos-cloud-sim-uj/PyMPDATA) examples and tests:
+utility routines used in [PySDM](https://github.com/atmos-cloud-sim-uj/PySDM) and [PyMPDATA](https://github.com/atmos-cloud-sim-uj/PyMPDATA) example Jupyter notebooks:
 - [``pip_install_on_colab('package_a', 'package_b', ...)``](https://atmos-cloud-sim-uj.github.io/utils/pip_install_on_colab.html) function handling execution of ``pip`` (and ``ldconfig``) on Colab 
 - [``TemporaryFile``](https://atmos-cloud-sim-uj.github.io/utils/temporary_file.html) class equipped with ``make_link_widget()`` method returning a click-to-download Colab-compatible widget to be display()-ed in a Jupyter notebook
 - [``show_plot()``](https://atmos-cloud-sim-uj.github.io/utils/show_plot.html) drop-in replacement for matplotlib's show() displaying the figure and a download-as-pdf widget just below