Portuguese alert in readme

Author: chicolucio

README.md

@@ -13,4 +13,6 @@ I have not read it yet, but the first chapters seen to be almost the same as the
 old PDF. However there are new chapters.
 
 The text and exercises of the old PDF version are available online at the
-[NYU site](https://physics.nyu.edu/pine/pymanual/html/pymanMaster.html).
+[NYU site](https://physics.nyu.edu/pine/pymanual/html/pymanMaster.html).
+
+There are some code and comments in Portuguese since I am from Brazil.