diff --git a/README.md b/README.md
index 2f48d42..9ec5b62 100644
--- a/README.md
+++ b/README.md
@@ -313,7 +313,7 @@ job.aasm.current_state # stage3
 ```
 
 
-### Multiple state machine per class
+### Multiple state machines per class
 
 Multiple state machines per class are supported. Be aware though, that _AASM_ has been
 built with one state machine per class in mind. Nonetheless, here's how to do it: