diff --git a/sytest-whitelist b/sytest-whitelist
index da4b201ce..7c45226a8 100644
--- a/sytest-whitelist
+++ b/sytest-whitelist
@@ -503,3 +503,4 @@ Forgetting room does not show up in v2 /sync
 Can forget room you've been kicked from
 /whois
 /joined_members return joined members
+Archived rooms only contain history from before the user left