diff --git a/header/frame_address.dformat b/header/frame_address.dformat
index 6380978..13d5521 100644
--- a/header/frame_address.dformat
+++ b/header/frame_address.dformat
@@ -3,7 +3,7 @@ style bitwid 0.1
 noname
      64--64 target
 noname
-     48--48 site
+     48--48 reserved
      6--6 reserved
      1--1 ack_required
      1--1 res_required
diff --git a/header/frame_address.png b/header/frame_address.png
index 0d63d92..a9373df 100644
Binary files a/header/frame_address.png and b/header/frame_address.png differ
diff --git a/header/protocol.png b/header/protocol.png
index a9b6103..0dd901e 100644
Binary files a/header/protocol.png and b/header/protocol.png differ