diff --git a/appengine/websockets/app.yaml b/appengine/websockets/app.yaml
index 78189a14fe..0256039dfb 100644
--- a/appengine/websockets/app.yaml
+++ b/appengine/websockets/app.yaml
@@ -1,4 +1,18 @@
-# [START appengine_websockets_yaml]
+# Copyright 2018 Google LLC
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#      http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+# [START gae_websockets_yaml_nodejs]
 runtime: nodejs
 env: flex
 
@@ -10,5 +24,5 @@ manual_scaling:
 
 network:
   session_affinity: true
-# [END appengine_websockets_yaml]
+# [END gae_websockets_yaml_nodejs]