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README.md

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 This library contains scripts for working with OpenSim files and pinocchio software. 
 
 ## Required Dependencies:
-- Python 2.7, Numpy
+- Python 2.7. Additional libraries are directly handled by setup.py (numpy, math and elementtree)
+- Pinocchio: library for rigid multi-body dynamics. Can be download from here: http://stack-of-tasks.github.io/pinocchio/ 
 
 ## Extra Dependencies:
-- Pinocchio: library for rigid multi-body dynamics. Can be download from here: http://stack-of-tasks.github.io/pinocchio/
 If you want to visualize your pinocchio model:
 - Gepetto-viewer: A graphical interface for pinocchio. Can be downloaded from here:
     https://github.com/humanoid-path-planner/gepetto-viewer.git