diff --git a/aor/ar7030p.h b/aor/ar7030p.h
index d35de1331..566011956 100644
--- a/aor/ar7030p.h
+++ b/aor/ar7030p.h
@@ -1,5 +1,7 @@
 
 /*
+ $Id: $
+
 AR-7030 Computer remote control protocol.
 
 Information for firmware releases 1.1A, 1.2A, 1.4A and 1.4B