Readme.md in parallel-0.5.6 vs Readme.md in parallel-0.5.7

@@ -38,9 +38,10 @@
 Processes/Threads are workers, they grab the next piece of work when they finish
 
 Tips
 ====
  - [ActiveRecord] `ActiveRecord::Base.connection.reconnect!` inside the parallel block prevents errors
+ - [Benchmark/Test] Disable threading/forking with `:in_threads => 0` or `:in_processes => 0`, great to test performance or to debug parallel issues
 
 TODO
 ====
  - JRuby / Windows support <-> possible ?