diff --git a/FORMAT b/FORMAT
index bc80c9b..74b315a 100644
--- a/FORMAT
+++ b/FORMAT
@@ -17,7 +17,7 @@ The input for PGP to sign when generating a control message looks
 something like this:
 
 ================ cut here
-X-Signed-Headers: From,Subject,Control,Message-ID,Date,From,Sender
+X-Signed-Headers: Subject,Control,Message-ID,Date,From,Sender
 Subject: cmsg newgroup GROUP
 Control: newgroup GROUP
 Message-ID: <MSGID>