diff --git a/websocket/jetty12/src/main/java/jenkins/websocket/Jetty12Provider.java b/websocket/jetty12/src/main/java/jenkins/websocket/Jetty12Provider.java
index 5ccd20adb4a27..48513fe737a6a 100644
--- a/websocket/jetty12/src/main/java/jenkins/websocket/Jetty12Provider.java
+++ b/websocket/jetty12/src/main/java/jenkins/websocket/Jetty12Provider.java
@@ -74,7 +74,7 @@ private void init(HttpServletRequest req) {
     public Handler handle(HttpServletRequest req, HttpServletResponse rsp, Listener listener) throws Exception {
         init(req);
         req.setAttribute(ATTR_LISTENER, listener);
-        // TODO Jetty 10 has no obvious equivalent to WebSocketServerFactory.isUpgradeRequest; RFC6455Negotiation?
+        // TODO Jetty 12 has no obvious equivalent to WebSocketServerFactory.isUpgradeRequest; RFC6455Negotiation?
         if (!"websocket".equalsIgnoreCase(req.getHeader("Upgrade"))) {
             rsp.sendError(HttpServletResponse.SC_BAD_REQUEST, "only WS connections accepted here");
             return null;