diff -r 2c96963b2e5c -r c6fe374a5fca progs/drumb_sol.scala
--- a/progs/drumb_sol.scala	Fri Nov 11 16:44:19 2016 +0000
+++ b/progs/drumb_sol.scala	Sat Nov 12 15:20:56 2016 +0000
@@ -1,4 +1,4 @@
-// Advanvced Part 3 about really dump investing strategy
+// Advanvced Part 3 about really dumb investing strategy
 //=======================================================
 
 //two test portfolios