lib/PublicInbox/V2Writable.pm | 6 +++---

diff --git a/lib/PublicInbox/V2Writable.pm b/lib/PublicInbox/V2Writable.pm
index 76e61e86931078c41e5999d912efd521df8334bf..db905f924879e78e61e8bf1c4d06405cd09d19bd 100644
--- a/lib/PublicInbox/V2Writable.pm
+++ b/lib/PublicInbox/V2Writable.pm
@@ -58,8 +58,8 @@ 	my $nparts = 0;
 	my $xpfx = $self->{xpfx};
 
 	# always load existing partitions in case core count changes:
-	# Also, partition count may change while -watch is running
-	# due to -compact
+	# Also, shard count may change while -watch is running
+	# due to "xcpdb --reshard"
 	if (-d $xpfx) {
 		foreach my $part (<$xpfx/*>) {
 			-d $part && $part =~ m!/[0-9]+\z! or next;
@@ -288,7 +288,7 @@ 	$ibx->with_umask(sub {
 		$self->lock_acquire unless ($opt && $opt->{-skip_lock});
 		$over->create;
 
-		# -compact can change partition count while -watch is idle
+		# xcpdb can change shard count while -watch is idle
 		my $nparts = count_partitions($self);
 		if ($nparts && $nparts != $self->{partitions}) {
 			$self->{partitions} = $nparts;