diff --git a/usr.sbin/makefs/makefs.8 b/usr.sbin/makefs/makefs.8
index 5c607be41e40..c9d6c0761a21 100644
--- a/usr.sbin/makefs/makefs.8
+++ b/usr.sbin/makefs/makefs.8
@@ -342,7 +342,7 @@ or
 Load a generic boot image into the first 32K of the cd9660 image.
 .It Sy hard-disk-boot
 Boot image is a hard disk image.
-.It Sy isoLevel
+.It Sy isolevel
 An integer representing the ISO 9660 interchange level where
 .Dq level
 is either