diff --git a/sytest-whitelist b/sytest-whitelist
index 22bb0b27c..bfaba622a 100644
--- a/sytest-whitelist
+++ b/sytest-whitelist
@@ -289,10 +289,14 @@ Existing members see new members' join events
 Inbound federation can receive events
 Inbound federation can receive redacted events
 Can logout current device
-Can send a message directly to a device using PUT /sendToDevice
-Can recv a device message using /sync
-Can send a to-device message to two users which both receive it using /sync
-Can recv device messages until they are acknowledged
-Device messages wake up /sync
-Device messages over federation wake up /sync
-Wildcard device messages wake up /sync
+Can send a message directly to a device using PUT /sendToDevice 
+Can recv a device message using /sync 
+Can recv device messages until they are acknowledged 
+Device messages with the same txn_id are deduplicated 
+Device messages wake up /sync 
+Can recv device messages over federation 
+Device messages over federation wake up /sync 
+Can send messages with a wildcard device id 
+Can send messages with a wildcard device id to two devices 
+Wildcard device messages wake up /sync 
+Wildcard device messages over federation wake up /sync