diff --git a/clientapi/routing/device.go b/clientapi/routing/device.go
index 7b8c951a1..51a15a882 100644
--- a/clientapi/routing/device.go
+++ b/clientapi/routing/device.go
@@ -26,6 +26,7 @@ import (
 	"github.com/matrix-org/util"
 )
 
+// https://matrix.org/docs/spec/client_server/r0.6.1#get-matrix-client-r0-devices
 type deviceJSON struct {
 	DeviceID    string `json:"device_id"`
 	DisplayName string `json:"display_name"`
diff --git a/sytest-whitelist b/sytest-whitelist
index 971f8cf0d..7edc79e64 100644
--- a/sytest-whitelist
+++ b/sytest-whitelist
@@ -347,3 +347,6 @@ GET /rooms/:room_id/state/m.room.topic gets topic
 GET /rooms/:room_id/state fetches entire room state
 Setting room topic reports m.room.topic to myself
 setting 'm.room.name' respects room powerlevel
+Syncing a new room with a large timeline limit isn't limited
+Left rooms appear in the leave section of sync
+Banned rooms appear in the leave section of sync