Update README.md

README.md

@@ -4,3 +4,10 @@ User can enter a currency and an amount separated by a space (e.g.: USD 12300),
 the currency must consist from 3 letters, case in-sensitive.
 
 User can exit the application writing the "quit" word
+
+
+----------------------
+----------------------
+
+The goal of this  test is to use best practises for refactoring the actual code.
+You can do any kind of changes to the project you see fit.