inbox: describe the full key name

Hopefully make this easier for future generations to understand.

diff --git a/lib/PublicInbox/Inbox.pm b/lib/PublicInbox/Inbox.pm
index 5503980fc0ca3d297d6062709b3dfacb44aae800..008a6cf7061335c33ae7fcf54ed7c37204f29b3d 100644 (file)
--- 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;