diff --git a/tools/tools/diffburst/diffburst.1 b/tools/tools/diffburst/diffburst.1
index 32a7f6dd2db..5c2bd009b34 100644
--- a/tools/tools/diffburst/diffburst.1
+++ b/tools/tools/diffburst/diffburst.1
@@ -15,7 +15,9 @@ and writes it back out as a series of patchfiles, where each patchfile
 contains the diff for a single file. The files are named
 patch-aa, patch-ab, and so on.
 .Pp
-This program is intended to aid in developing FreeBSD ports,
+This program is intended to aid in developing
+.Fx
+ports,
 where the 'one patchfile per file' rule applies.
-.Sh AUTHOR
-Archie Cobbs <archie@whistle.com>
+.Sh AUTHORS
+.An Archie Cobbs Aq archie@whistle.com