v2writable: update comments regarding xcpdb --reshard

Using compact to change shard count was abandoned during
the v2 development phase.

1 files changed, 3 insertions, 3 deletions

diff --git a/lib/PublicInbox/V2Writable.pm b/lib/PublicInbox/V2Writable.pm
index 76e61e86..db905f92 100644
--- a/lib/PublicInbox/V2Writable.pm
+++ b/lib/PublicInbox/V2Writable.pm
@@ -58,8 +58,8 @@ sub count_partitions ($) {
         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 @@ sub idx_init {
                 $self->lock_acquire unless ($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;