diff --git a/doc/src/start_states.md b/doc/src/start_states.md
index 9253ba39b..b60dca02e 100644
--- a/doc/src/start_states.md
+++ b/doc/src/start_states.md
@@ -93,7 +93,7 @@ In the following because `ExclState` is *exclusive*, the `#=` rule is only match
 %x ExclState
 %%
 
-#= <+ExclState>
+#= <+ExclState>;
 <ExclState>a "A"
 <ExclState>=# <-ExclState>;
 ```