diff --git a/concepts/switch-statement/about.md b/concepts/switch-statement/about.md
index 73cee56c4..3ed088359 100644
--- a/concepts/switch-statement/about.md
+++ b/concepts/switch-statement/about.md
@@ -146,7 +146,7 @@ Starting with Java 14 (available as a preview before in Java 12 and 13) it is po
    No more confusion!
 
 
-In addition, a feature called `Guarded Patterns` was added, which allows you to do checks in the case label itself.
+In addition, a feature called `Guarded Patterns` was added in Java 21, which allows you to do checks in the case label itself.
 
 ```java
 String dayOfMonth = getDayOfMonth();