diff --git a/man4/hd.4 b/man4/hd.4
index e1431102d..8f49a4c59 100644
--- a/man4/hd.4
+++ b/man4/hd.4
@@ -93,7 +93,7 @@ chown root:disk /dev/hd*
 .EE
 .in
 .SH FILES
-/dev/hd*
+.I /dev/hd*
 .SH SEE ALSO
 .BR chown (1),
 .BR mknod (1),