Fix style typo in tar.5
diff --git a/libarchive/tar.5 b/libarchive/tar.5
index c8911a0..30b837d 100644
--- a/libarchive/tar.5
+++ b/libarchive/tar.5
@@ -441,7 +441,7 @@
Vendor-specific attributes used by Joerg Schilling's
.Nm star
implementation.
-.It Cm SCHILY.acl.access , Cm SCHILY.acl.default, .Cm SCHILY.acl.ace
+.It Cm SCHILY.acl.access , Cm SCHILY.acl.default, Cm SCHILY.acl.ace
Stores the access, default and NFSv4 ACLs as textual strings in a format
that is an extension of the format specified by POSIX.1e draft 17.
In particular, each user or group access specification can include
