diff --git a/services/init/include/init_service.h b/services/init/include/init_service.h
index 6d588506431754fdd9904435d1ab4956b1f20d4c..202c467b8e185403cc37d7950a30de394de5f01c 100644
--- a/services/init/include/init_service.h
+++ b/services/init/include/init_service.h
@@ -50,7 +50,7 @@ extern "C" {
 #define SERVICE_ATTR_CONSOLE 0x080      // console
 #define SERVICE_ATTR_ONDEMAND 0x100     // ondemand, manage socket by init
 #define SERVICE_ATTR_TIMERSTART 0x200   // Mark a service will be started by timer
-#define SERVICE_ATTR_NEEDWAIT 0x400     // Mark a service will be started by timer
+#define SERVICE_ATTR_NEEDWAIT 0x400     // service should execute waitpid while stopping
 #define SERVICE_ATTR_SANDBOX 0x800     // make service will enter sandbox
 
 #define MAX_SERVICE_NAME 32