diff --git a/docs/transition.md b/docs/transition.md
index 40f76fa..6eee7b8 100644
--- a/docs/transition.md
+++ b/docs/transition.md
@@ -138,7 +138,7 @@ be used to "issue" (or "dispatch") a message. For example:
 
 ```haskell
 update state StartInc = do
-  forks \dispatch -> do
+  forks \{ dispatch } -> do
     delay (Milliseconds 1000.0)
     dispatch Inc
     delay (Milliseconds 2000.0)