diff --git a/man/man7/zpoolprops.7 b/man/man7/zpoolprops.7
index a150f6d43..2164c1260 100644
--- a/man/man7/zpoolprops.7
+++ b/man/man7/zpoolprops.7
@@ -177,7 +177,7 @@ changed with the
 .Nm zpool Cm set
 command:
 .Bl -tag -width Ds
-.It Sy ashift Ns = Ns Sy ashift
+.It Sy ashift Ns = Ns Ar ashift
 Pool sector size exponent, to the power of
 .Sy 2
 (internally referred to as