User Guide: Fixed code example for Receive Task

userguide/src/en/chapters/ch07-BPMN.xml

@@ -4686,7 +4686,7 @@ public class ThrowsExceptionBehavior implements ActivityBehavior {
 ProcessInstance pi = runtimeService.startProcessInstanceByKey("receiveTask");
 Execution execution = runtimeService.createExecutionQuery()
   .processInstanceId(pi.getId())
-  .activityId("wait")
+  .activityId("waitState")
   .singleResult();
 assertNotNull(execution);