Update README.md

Author: juancolonna

README.md

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 # EGCI (Ecoacoustic Global Complexity Index)
 
-Amazon rainforest soundscape characterized by Information Theory quantifiers. [PDF](https://www.biorxiv.org/content/10.1101/2020.02.09.940916v1.abstract)
+Article title: Quantifying ecoacoustic activity in the Amazon rainforest through Information Theory quantifiers.
+
+Previous title: Amazon rainforest soundscape characterized by Information Theory quantifiers. [PDF](https://www.biorxiv.org/content/10.1101/2020.02.09.940916v1.abstract)
 
 The jupyter notebooks available here allows to reproduce the images and results included in the PDF article.