diff --git a/sbin/mount/mount.8 b/sbin/mount/mount.8
index a8c34844a7d2..e0750c658fc9 100644
--- a/sbin/mount/mount.8
+++ b/sbin/mount/mount.8
@@ -412,17 +412,17 @@ support for a particular file system might be provided either on a static
 (kernel compile-time), or dynamic basis (loaded as a kernel module by
 .Xr kldload 8 ) .
 .Sh ENVIRONMENT
-.Bl -tag -width PATH_FSTAB
-.It Pa PATH_FSTAB
+.Bl -tag -width ".Ev PATH_FSTAB"
+.It Ev PATH_FSTAB
 If the environment variable
-.Pa PATH_FSTAB
-is set all operations are performed against the specified file.
-.Pa PATH_FSTAB
+.Ev PATH_FSTAB
+is set, all operations are performed against the specified file.
+.Ev PATH_FSTAB
 will not be honored if the process environment or memory address space is
 considred
 .Dq tainted .
 (See
-.Fn issetugid
+.Xr issetugid 2
 for more information.)
 .El
 .Sh FILES