diff --git a/staging/xdg-activation/xdg-activation-v1.xml b/staging/xdg-activation/xdg-activation-v1.xml
index 9adcc27..b9158c3 100644
--- a/staging/xdg-activation/xdg-activation-v1.xml
+++ b/staging/xdg-activation/xdg-activation-v1.xml
@@ -179,6 +179,7 @@
       <description summary="issues the token request">
         Requests an activation token based on the different parameters that
         have been offered through set_serial, set_surface and set_app_id.
+        A roundtrip after commit guarantees that the client has received the xdg_activation_token_v1.done event.
       </description>
     </request>