diff --git a/usr.sbin/diskcheckd/diskcheckd.8 b/usr.sbin/diskcheckd/diskcheckd.8
index dc8e6708375..83d78785d3a 100644
--- a/usr.sbin/diskcheckd/diskcheckd.8
+++ b/usr.sbin/diskcheckd/diskcheckd.8
@@ -49,11 +49,11 @@ by default.
 Any blank lines or lines starting with a
 .Ql #
 character in this file are ignored.
-Each non-comment line of this file should must be in one of two formats.
+Each non-comment line of this file must be in one of two formats.
 The first format is
 .Ql !xx ,
 and specifies that device names matching
-.Ql /dev/xx*
+.Pa /dev/xx*
 should not be included in expansion of wildcards (see below).
 The second format consists of four white space separated
 fields,