diff --git a/appengine/building-an-app/update/app.yaml b/appengine/building-an-app/update/app.yaml
index 9c14502f49..ba941b763f 100755
--- a/appengine/building-an-app/update/app.yaml
+++ b/appengine/building-an-app/update/app.yaml
@@ -12,7 +12,5 @@
 # limitations under the License.
 
 # [START gae_app_yaml]
-# [START app_yaml]
 runtime: nodejs20
-# [END app_yaml]
 # [END gae_app_yaml]