fix JsonParser javadoc

Signed-off-by: Marc Wrobel <marc.wrobel@gmail.com>
diff --git a/api/src/main/java/jakarta/json/stream/JsonParser.java b/api/src/main/java/jakarta/json/stream/JsonParser.java
index 0f71849..bd41d20 100644
--- a/api/src/main/java/jakarta/json/stream/JsonParser.java
+++ b/api/src/main/java/jakarta/json/stream/JsonParser.java
@@ -128,7 +128,7 @@
  * while (parser.hasNext() {
  *     Event event = parser.next();
  *     if (event == JsonParser.Event.KEY_NAME ) {
- *         String key = getString();
+ *         String key = parser.getString();
  *         event = parser.next();
  *         if (key.equals("phoneNumber") {
  *             JsonArray phones = parser.getArray();