fix: Corrects small typo in readme (#100)

README.rst

@@ -25,7 +25,7 @@
 * Event detection: sleep spindles, slow-waves and rapid eye movements, on single or multi-channel EEG data.
 * Artefact rejection, on single or multi-channel EEG data.
 * Spectral analyses: bandpower, phase-amplitude coupling, 1/f slope, and more!
-* Hypnogram analysis: sleep statistics and stage tranisitions.
+* Hypnogram analysis: sleep statistics and stage transitions.
 
 For more details, try the `quickstart <https://raphaelvallat.com/yasa/build/html/quickstart.html>`_ or read the `FAQ <https://raphaelvallat.com/yasa/build/html/faq.html>`_.
 
@@ -130,4 +130,4 @@ Citation
 
 To cite YASA, please use the `eLife publication <https://elifesciences.org/articles/70092>`_:
 
-* Vallat, Raphael, and Matthew P. Walker. "An open-source, high-performance tool for automated sleep staging." Elife 10 (2021). doi: https://doi.org/10.7554/eLife.70092
+* Vallat, Raphael, and Matthew P. Walker. "An open-source, high-performance tool for automated sleep staging." Elife 10 (2021). doi: https://doi.org/10.7554/eLife.70092