diff --git a/spec.md b/spec.md
index 9d78ebf..d09ff40 100644
--- a/spec.md
+++ b/spec.md
@@ -1201,6 +1201,7 @@ enum Suit: string
 
     const Wild = self::Spades;
 }
+```
 
 ## 10. Heredoc and Nowdoc