mdoc(7) police: WITNESS is a #define, mark it as such.

1 files changed, 6 insertions, 2 deletions

diff --git a/share/man/man9/sx.9 b/share/man/man9/sx.9
index 00fc5e18661b..61756633a5c6 100644
--- a/share/man/man9/sx.9
+++ b/share/man/man9/sx.9
@@ -150,9 +150,13 @@ attempting to do so will result in deadlock.
 .Xr sema 9
 .Sh BUGS
 Currently there is no way to assert that a lock is not held.
-This is not possible in the non-WITNESS case for asserting that this thread
+This is not possible in the
+.No non- Ns Dv WITNESS
+case for asserting that this thread
 does not hold a shared lock.
-In the non-WITNESS case, the
+In the
+.No non- Ns Dv WITNESS
+case, the
 .Dv SX_LOCKED
 and
 .Dv SX_SLOCKED