diff --git a/drafts/push_csapi.rst b/drafts/push_csapi.rst
index 92e973f5..5831df67 100644
--- a/drafts/push_csapi.rst
+++ b/drafts/push_csapi.rst
@@ -178,7 +178,8 @@ with these IDs, their semantics should match those given below:
     }
 
 .m.rule.suppress_notices
-  Matches messages with 'msgtype' of 'notice'.
+  Matches messages with 'msgtype' of 'notice'. This should be an override rule
+  such that, when enabled, it takes priority over content / sender / room rules.
 
   Definition::