doc: note -compact and -xcpdb are rarely used

[public-inbox.git] / Documentation / public-inbox-xcpdb.pod

diff --git a/Documentation/public-inbox-xcpdb.pod b/Documentation/public-inbox-xcpdb.pod
index 2b38f1da7d987d6cfdf9f9a8eec56fb32faddce7..52939894fc9795c3234b4009fe07b9715b4fe573 100644 (file)
--- a/Documentation/public-inbox-xcpdb.pod
+++ b/Documentation/public-inbox-xcpdb.pod
@@ -17,6 +17,9 @@ accept parallel Xapian database modifications from
 L<public-inbox-watch(1)>, L<public-inbox-mda(1)>,
 L<public-inbox-learn(1)>, and L<public-inbox-index(1)>.
 
+This command is rarely used, as Xapian DB formats rarely
+change.
+
 =head1 OPTIONS
 
 =over