diff --git a/sys/pc98/include/apicreg.h b/sys/pc98/include/apicreg.h
index 3bac552eddec..a9766d5bfd6a 100644
--- a/sys/pc98/include/apicreg.h
+++ b/sys/pc98/include/apicreg.h
@@ -1,6 +1,6 @@
 /*-
  * This file is in the public domain.
  */
-/* $FreeBSD$
+/* $FreeBSD$ */
 
 #include <i386/apicreg.h>
diff --git a/sys/pc98/include/apicvar.h b/sys/pc98/include/apicvar.h
index 0008595568a8..4f52d8200943 100644
--- a/sys/pc98/include/apicvar.h
+++ b/sys/pc98/include/apicvar.h
@@ -1,6 +1,6 @@
 /*-
  * This file is in the public domain.
  */
-/* $FreeBSD$
+/* $FreeBSD$ */
 
 #include <i386/apicvar.h>
diff --git a/sys/pc98/include/ioctl_bt848.h b/sys/pc98/include/ioctl_bt848.h
index 1e5330766549..668fd4a3a6c1 100644
--- a/sys/pc98/include/ioctl_bt848.h
+++ b/sys/pc98/include/ioctl_bt848.h
@@ -1,6 +1,6 @@
 /*-
  * This file is in the public domain.
  */
-/* $FreeBSD$
+/* $FreeBSD$ */
 
 #include <i386/ioctl_bt848.h>
diff --git a/sys/pc98/include/ioctl_meteor.h b/sys/pc98/include/ioctl_meteor.h
index afc795d1d8f2..1a750bdd7215 100644
--- a/sys/pc98/include/ioctl_meteor.h
+++ b/sys/pc98/include/ioctl_meteor.h
@@ -1,6 +1,6 @@
 /*-
  * This file is in the public domain.
  */
-/* $FreeBSD$
+/* $FreeBSD$ */
 
 #include <i386/ioctl_meteor.h>
diff --git a/sys/pc98/include/pcaudioio.h b/sys/pc98/include/pcaudioio.h
index f51a61499962..1e9eee52265f 100644
--- a/sys/pc98/include/pcaudioio.h
+++ b/sys/pc98/include/pcaudioio.h
@@ -1,6 +1,6 @@
 /*-
  * This file is in the public domain.
  */
-/* $FreeBSD$
+/* $FreeBSD$ */
 
 #include <i386/pcaudioio.h>
diff --git a/sys/pc98/include/pcvt_ioctl.h b/sys/pc98/include/pcvt_ioctl.h
index 140d909be8c2..1a6ade724907 100644
--- a/sys/pc98/include/pcvt_ioctl.h
+++ b/sys/pc98/include/pcvt_ioctl.h
@@ -1,6 +1,6 @@
 /*-
  * This file is in the public domain.
  */
-/* $FreeBSD$
+/* $FreeBSD$ */
 
 #include <i386/pcvt_ioctl.h>
diff --git a/sys/pc98/include/smptests.h b/sys/pc98/include/smptests.h
index 45e7cb8d1d7b..c98bee75960e 100644
--- a/sys/pc98/include/smptests.h
+++ b/sys/pc98/include/smptests.h
@@ -1,6 +1,6 @@
 /*-
  * This file is in the public domain.
  */
-/* $FreeBSD$
+/* $FreeBSD$ */
 
 #include <i386/smptests.h>