ICU-22722 Fix missing starter character for MF2 keyword in User Guide
diff --git a/docs/userguide/format_parse/messages/mf2.md b/docs/userguide/format_parse/messages/mf2.md
index 3189521..bd1caa0 100644
--- a/docs/userguide/format_parse/messages/mf2.md
+++ b/docs/userguide/format_parse/messages/mf2.md
@@ -96,7 +96,7 @@
```java
@Test
public void testMf2Selection() {
- final String message = "match {$count :plural}"
+ final String message = ".match {$count :plural}"
+ " when 1 {You have one notification.}"
+ " when one {You have {$count} notification.}"
+ " when * {You have {$count} notifications.}";
