4 files changed, 4 insertions, 4 deletions
diff --git a/src/include/pc80/i8254.h b/src/include/pc80/i8254.h
index 4c5e7039ce..f8e2b489ed 100644
--- a/src/include/pc80/i8254.h
+++ b/src/include/pc80/i8254.h
@@ -14,7 +14,7 @@
  *
  * You should have received a copy of the GNU General Public License
  * along with this program; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301 USA
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
  */
 
 #ifndef PC80_I8254_H
diff --git a/src/include/pc80/i8259.h b/src/include/pc80/i8259.h
index c55ae21557..7e99e4baa1 100644
--- a/src/include/pc80/i8259.h
+++ b/src/include/pc80/i8259.h
@@ -14,7 +14,7 @@
  *
  * You should have received a copy of the GNU General Public License
  * along with this program; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301 USA
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
  */
 
 #ifndef PC80_I8259_H
diff --git a/src/include/pc80/vga.h b/src/include/pc80/vga.h
index 3d757f858d..07add63d0f 100644
--- a/src/include/pc80/vga.h
+++ b/src/include/pc80/vga.h
@@ -15,7 +15,7 @@
  *
  * You should have received a copy of the GNU General Public License
  * along with this program; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301 USA
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
  */
 
 #ifndef VGA_H
diff --git a/src/include/pc80/vga_io.h b/src/include/pc80/vga_io.h
index 72411a7868..2b85eaca4b 100644
--- a/src/include/pc80/vga_io.h
+++ b/src/include/pc80/vga_io.h
@@ -15,7 +15,7 @@
  *
  * You should have received a copy of the GNU General Public License
  * along with this program; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301 USA
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
  */
 
 #ifndef VGA_IO_H