README.md in celluloid-0.11.0 vs README.md in celluloid-0.11.1

@@ -48,10 +48,10 @@
   rescuing every last exception, you can just sit back, relax, and let parts
   of your program crash, knowing Celluloid will automatically reboot them in
   a clean state. Celluloid provides its own implementation of the core
   fault-tolerance concepts in Erlang including [linking](https://github.com/celluloid/celluloid/wiki/Linking),
   [supervisors](https://github.com/celluloid/celluloid/wiki/Supervisors),
-  and [supervision trees](https://github.com/celluloid/celluloid/wiki/Groups).
+  and [supervision groups](https://github.com/celluloid/celluloid/wiki/Supervision-Groups).
 
 * __[Futures](https://github.com/celluloid/celluloid/wiki/futures):__
   Ever wanted to call a method "in the background" and retrieve the
   value it returns later? Celluloid futures do just that. It's like
   calling ahead to a restaurant to place an order, so they can work