[groff] 06/40: groff(7): Fix style nit.

[G. Branden Robinson]

gbranden pushed a commit to branch master
in repository groff.

commit a32c02a750a2b5fb31d8510613f82ffa4f45e381
Author: G. Branden Robinson <g.branden.robinson@gmail.com>
AuthorDate: Wed Dec 7 16:16:21 2022 -0600

    groff(7): Fix style nit.
    
    Set warning category consistently with other uses.
---
 man/groff.7.man | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/man/groff.7.man b/man/groff.7.man
index ad86de561..312fc1e85 100644
--- a/man/groff.7.man
+++ b/man/groff.7.man
@@ -1108,7 +1108,8 @@ In other words,
 it must be the \[lq]outermost\[rq] operator.
 .
 Including it elsewhere in the expression produces a warning in the
-\[lq]number\[rq] category
+.RB \%\[lq] number \[rq]
+category
 (see
 .MR @g@troff @MAN1EXT@ ),
 and its expression evaluates false.