diff -r 41cdc0680b74 -r 4e2884c34f46 bsc-projects-18.html
--- a/bsc-projects-18.html	Mon Sep 24 10:45:13 2018 +0100
+++ b/bsc-projects-18.html	Mon Sep 24 11:07:21 2018 +0100
@@ -81,7 +81,7 @@
   Python and Ruby need approximately 30 seconds of hard work for matching this string. You can try it for yourself:
   catastrophic.py (Python version) and 
   catastrophic.rb 
-  (Ruby version). Here is a similar problem with the regular expression (a*)* bin Java: 
+  (Ruby version). Here is a similar problem with the regular expression (a*)*b in Java: 
   catastrophic.java