diff --git a/ares/ares_parse_srv_reply.c b/ares/ares_parse_srv_reply.c
index 3a17a53344..9179d4d02e 100644
--- a/ares/ares_parse_srv_reply.c
+++ b/ares/ares_parse_srv_reply.c
@@ -1,3 +1,5 @@
+/* Id$ */
+
 /* Copyright 1998 by the Massachusetts Institute of Technology.
  *
  * Permission to use, copy, modify, and distribute this