diff --git a/doc/backlog.md b/doc/backlog.md
index d8eb6021..12ed2079 100644
--- a/doc/backlog.md
+++ b/doc/backlog.md
@@ -50,3 +50,4 @@
 
 **APN:** avoid firebase for iOS and use APN directly
 
+**1-1 Sealed:** default to sealed topic when starting a 1-1 topic from the contact list