diff --git a/autoware_adapi_v1_msgs/routing/msg/RouteOption.msg b/autoware_adapi_v1_msgs/routing/msg/RouteOption.msg
index be2b5f9..f0bb671 100644
--- a/autoware_adapi_v1_msgs/routing/msg/RouteOption.msg
+++ b/autoware_adapi_v1_msgs/routing/msg/RouteOption.msg
@@ -1 +1,5 @@
+# Please refer to the following pages for details on each option.
+# https://autowarefoundation.github.io/autoware-documentation/main/design/autoware-interfaces/ad-api/features/routing/
+
 bool allow_goal_modification
+bool allow_while_following