diff --git a/flexible/cloud-tasks/src/main/java/com/example/cloudtasks/TaskHandlerServlet.java b/flexible/cloud-tasks/src/main/java/com/example/cloudtasks/TaskHandlerServlet.java
index a9da53a21f6..a598356ff41 100644
--- a/flexible/cloud-tasks/src/main/java/com/example/cloudtasks/TaskHandlerServlet.java
+++ b/flexible/cloud-tasks/src/main/java/com/example/cloudtasks/TaskHandlerServlet.java
@@ -24,7 +24,7 @@
 import javax.servlet.http.HttpServletRequest;
 import javax.servlet.http.HttpServletResponse;
 
-
+// [START cloud_tasks_appengine_handler]
 @WebServlet(value = "/example_task_handler")
 @SuppressWarnings("serial")
 public class TaskHandlerServlet extends HttpServlet {
@@ -45,3 +45,4 @@ public void doPost(HttpServletRequest req, HttpServletResponse resp) throws IOEx
   }
 
 }
+// [END cloud_tasks_appengine_handler]