diff --git a/sbin/dmesg/dmesg.8 b/sbin/dmesg/dmesg.8
index f0b588392b14..5551bada884d 100644
--- a/sbin/dmesg/dmesg.8
+++ b/sbin/dmesg/dmesg.8
@@ -74,7 +74,7 @@ Extract the name list from the specified system instead of the default,
 which is the kernel image the system has booted from.
 .El
 .Sh FILES
-.Bl -tag -width /var/run/dmesg.boot -compact
+.Bl -tag -width ".Pa /var/run/dmesg.boot" -compact
 .It Pa /var/run/dmesg.boot
 usually a snapshot of the buffer contents
 taken soon after filesystems are mounted