Update README.md

README.md

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 MODULO - latest update 2.0
 ===================
 
-This repository contains the version 2.0 of MODULO (MODal mULtiscale pOd), a software developed at the von Karman Institute to perform Multiscale Modal Analysis of numerical and experimental data using the Multiscale Proper Orthogonal Decomposition (mPOD).
-
+This repository contains the version 2.0 of MODULO (MODal mULtiscale pOd), a software developed at the von Karman Institute to perform data driven modal decompositions and in particular the Multiscale Proper Orthogonal Decomposition (mPOD).
 
 The old version based on MATLAB implementation and related GUI is no longer mantained but will remain available at on the branch "Old_Matlab_Implementation". We keep the first Python implementation in the branch "Old_Python_Implementation". 
 
 On the other hand, we do not keep track of the version 1.1 since this is fully replaced by the current version in this repository.
 
 
-### What is MODULO ?
+### What is MODULO and what are data-driven decompositions ?
 
+MODULO allows to perform data-driven deco