diff --git a/servers/slapd/back-relay/back-relay.h b/servers/slapd/back-relay/back-relay.h
index fe5e978fa24b62a30e530cb85d1bd83e4ad4a3af..6446ad667e874ade60d9d4654e40a73c92d7b6bd 100644
--- a/servers/slapd/back-relay/back-relay.h
+++ b/servers/slapd/back-relay/back-relay.h
@@ -1,4 +1,5 @@
 /* back-relay.h - relay backend header file */
+/* $OpenLDAP$ */
 /* This work is part of OpenLDAP Software <http://www.openldap.org/>.
  *
  * Copyright 2004-2008 The OpenLDAP Foundation.
diff --git a/servers/slapd/back-relay/init.c b/servers/slapd/back-relay/init.c
index 569b3c813d125e5d4a8c0a0b9a2a83a522461e0d..ddfca7f24cb6f9f00857900810739365373590af 100644
--- a/servers/slapd/back-relay/init.c
+++ b/servers/slapd/back-relay/init.c
@@ -1,4 +1,5 @@
 /* init.c - initialize relay backend */
+/* $OpenLDAP$ */
 /* This work is part of OpenLDAP Software <http://www.openldap.org/>.
  *
  * Copyright 2004-2008 The OpenLDAP Foundation.
diff --git a/servers/slapd/back-relay/op.c b/servers/slapd/back-relay/op.c
index dd0189b18b79bd0e0dbc21dab84c98b67eae021c..5d7fe5f9f689a825892867e9f824740f06e92183 100644
--- a/servers/slapd/back-relay/op.c
+++ b/servers/slapd/back-relay/op.c
@@ -1,4 +1,5 @@
 /* op.c - relay backend operations */
+/* $OpenLDAP$ */
 /* This work is part of OpenLDAP Software <http://www.openldap.org/>.
  *
  * Copyright 2004-2008 The OpenLDAP Foundation.
diff --git a/servers/slapd/back-relay/proto-back-relay.h b/servers/slapd/back-relay/proto-back-relay.h
index e3e6835e19aa17a0b3dbe6707976e4b3713f9ca8..3798aada9a68681728b200dc774f344e7ed41b16 100644
--- a/servers/slapd/back-relay/proto-back-relay.h
+++ b/servers/slapd/back-relay/proto-back-relay.h
@@ -1,3 +1,5 @@
+/* proto-back-relay.h - relay backend header file */
+/* $OpenLDAP$ */
 /* This work is part of OpenLDAP Software <http://www.openldap.org/>.
  *
  * Copyright 2004-2008 The OpenLDAP Foundation.