diff -r 28e872e7efb3 -r dfa7b4ca199f progs/re2.scala
--- a/progs/re2.scala	Wed Mar 15 01:24:39 2017 +0000
+++ b/progs/re2.scala	Wed Mar 15 14:34:10 2017 +0000
@@ -103,7 +103,7 @@
 size(EVIL1(7))  // 7
 
 
-// but the size of the derivatives can grow 
+// but the size of the derivatives can still grow 
 // quite dramatically
 
 size(ders("".toList, EVIL2))     // 5