Replace README.org

README.org

@@ -21,8 +21,7 @@ contributing!*
 
 ** List of Notebooks
 
-So far, notebooks are listed alphabetically and stars shall indicate
-their difficulty (☆ = simple, ☆☆ = advanced, ☆☆☆ = sophisticated):
+So far, notebooks are listed by difficulty, indicated by stars (☆ = simple, ☆☆ = advanced, ☆☆☆ = sophisticated), then alphabetically:
 
 
 - [[file:classification.ipynb][Classification]] :: basic machine learning classification example (☆)