diff --git a/sys/amd64/amd64/prof_machdep.c b/sys/amd64/amd64/prof_machdep.c
index 2aa6787d69bc..f140b849bd71 100644
--- a/sys/amd64/amd64/prof_machdep.c
+++ b/sys/amd64/amd64/prof_machdep.c
@@ -1,3 +1,8 @@
+/*
+ * NEED A COPYRIGHT NOPTICE HERE
+ *
+ *	$Id$
+ */
 #include <sys/param.h>
 #include <sys/systm.h>
 #include <machine/clock.h>
diff --git a/sys/i386/isa/prof_machdep.c b/sys/i386/isa/prof_machdep.c
index 2aa6787d69bc..f140b849bd71 100644
--- a/sys/i386/isa/prof_machdep.c
+++ b/sys/i386/isa/prof_machdep.c
@@ -1,3 +1,8 @@
+/*
+ * NEED A COPYRIGHT NOPTICE HERE
+ *
+ *	$Id$
+ */
 #include <sys/param.h>
 #include <sys/systm.h>
 #include <machine/clock.h>