doc: fix attribute substitution in monospaced text

When I switched all paths to use `` formatting, I didn't realize
substitution didn't work in these quote marks. Use ++ instead to ensure
attributes are substituted where appropriate.

Signed-off-by: Dan McGee <dan@archlinux.org>

1 files changed, 1 insertions, 1 deletions

diff --git a/doc/makepkg.8.txt b/doc/makepkg.8.txt
index c59800c6..57d6f6eb 100644
--- a/doc/makepkg.8.txt
+++ b/doc/makepkg.8.txt
@@ -53,7 +53,7 @@ Options
 	in linkman:makepkg.conf[5].
 
 *\--config* <file>::
-	Use an alternate config file instead of the `{sysconfdir}/makepkg.conf`
+	Use an alternate config file instead of the +{sysconfdir}/makepkg.conf+
 	default.
 
 *-d, \--nodeps*::