diff --git a/tests/50federation/30room-join.pl b/tests/50federation/30room-join.pl
index b7df0a4fa..a1fc46a0d 100644
--- a/tests/50federation/30room-join.pl
+++ b/tests/50federation/30room-join.pl
@@ -959,7 +959,7 @@ sub assert_is_valid_pdu {
       )
    };
 
-test "Outbound federation event with an invalid signature should not break",
+test "Event with an invalid signature in the send_join response should not cause room join to fail",
    requires => [ local_user_fixture(), $main::INBOUND_SERVER,
                  federation_user_id_fixture() ],