diff --git a/sys/dev/dec/mc146818reg.h b/sys/dev/dec/mc146818reg.h
index 18cc979fd50a..e60d043f13dd 100644
--- a/sys/dev/dec/mc146818reg.h
+++ b/sys/dev/dec/mc146818reg.h
@@ -1,3 +1,4 @@
+/* $FreeBSD$ */
 /*	$NetBSD: mc146818reg.h,v 1.2 1997/03/12 06:53:42 cgd Exp $	*/
 
 /*
diff --git a/sys/dev/dec/mcclockvar.h b/sys/dev/dec/mcclockvar.h
index a38f632feac5..196209be3bce 100644
--- a/sys/dev/dec/mcclockvar.h
+++ b/sys/dev/dec/mcclockvar.h
@@ -1,3 +1,4 @@
+/* $FreeBSD$ */
 /* $NetBSD: mcclockvar.h,v 1.4 1997/06/22 08:02:19 jonathan Exp $ */
 
 /*
diff --git a/sys/dev/ie/if_iee16.h b/sys/dev/ie/if_iee16.h
index 27d0163caacb..6ac8afafd780 100644
--- a/sys/dev/ie/if_iee16.h
+++ b/sys/dev/ie/if_iee16.h
@@ -28,6 +28,7 @@
  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  *
+ * $FreeBSD$
  */
 
 /*
diff --git a/sys/dev/mc146818/mc146818reg.h b/sys/dev/mc146818/mc146818reg.h
index 18cc979fd50a..e60d043f13dd 100644
--- a/sys/dev/mc146818/mc146818reg.h
+++ b/sys/dev/mc146818/mc146818reg.h
@@ -1,3 +1,4 @@
+/* $FreeBSD$ */
 /*	$NetBSD: mc146818reg.h,v 1.2 1997/03/12 06:53:42 cgd Exp $	*/
 
 /*
diff --git a/sys/dev/sym/README.sym b/sys/dev/sym/README.sym
index 7cf6fa3ea7d2..fb277c7bd148 100644
--- a/sys/dev/sym/README.sym
+++ b/sys/dev/sym/README.sym
@@ -54,6 +54,8 @@
  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  * SUCH DAMAGE.
+ *
+ * $FreeBSD$
  */
 
 Status:
diff --git a/sys/dev/vx/if_vxreg.h b/sys/dev/vx/if_vxreg.h
index 688da0374649..3794addcb73c 100644
--- a/sys/dev/vx/if_vxreg.h
+++ b/sys/dev/vx/if_vxreg.h
@@ -19,6 +19,8 @@
  * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
  * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  *
+ * $FreeBSD$
+ *
  October 2, 1994
 
  Modified by: Andres Vega Garcia