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-rw-r--r--lib/PublicInbox/Inbox.pm1
1 files changed, 1 insertions, 0 deletions
diff --git a/lib/PublicInbox/Inbox.pm b/lib/PublicInbox/Inbox.pm
index 5503980f..008a6cf7 100644
--- a/lib/PublicInbox/Inbox.pm
+++ b/lib/PublicInbox/Inbox.pm
@@ -60,6 +60,7 @@ sub _set_limiter ($$$) {
         my ($self, $git, $pfx) = @_;
         my $lkey = "-${pfx}_limiter";
         $git->{$lkey} = $self->{$lkey} ||= eval {
+                # full key is: publicinbox.$NAME.httpbackendmax
                 my $mkey = $pfx.'max';
                 my $val = $self->{$mkey} or return;
                 my $lim;