Show Java client as supporting MQTT 5.0
diff --git a/contents/clients/java/index.php b/contents/clients/java/index.php
index c7d0ca7..35e2a0d 100644
--- a/contents/clients/java/index.php
+++ b/contents/clients/java/index.php
@@ -16,6 +16,7 @@
                 $features = array(
                     "mqtt-31" => true,
                     "mqtt-311" => true,
+                    "mqtt-50" => true,
                     "lwt" => true,
                     "tls" => true,
                     "persistence" => true,