Merge pull request #940 from OWASP/commjoen-patch-1

Update README.md

Author: commjoen

README.md

@@ -112,7 +112,8 @@ Now you can try to find the secrets by means of solving the challenge offered at
 -   [localhost:8080/challenge/30](http://localhost:8080/challenge/30)
 -   [localhost:8080/challenge/31](http://localhost:8080/challenge/31)
 -   [localhost:8080/challenge/32](http://localhost:8080/challenge/32)
--   [localhost:8080/challenge/32](http://localhost:8080/challenge/34)
+-   [localhost:8080/challenge/34](http://localhost:8080/challenge/34)
+-   [localhost:8080/challenge/35](http://localhost:8080/challenge/35)
 
 Note that these challenges are still very basic, and so are their explanations. Feel free to file a PR to make them look
 better ;-).