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-rw-r--r--lib/PublicInbox/GitHTTPBackend.pm2
1 files changed, 1 insertions, 1 deletions
diff --git a/lib/PublicInbox/GitHTTPBackend.pm b/lib/PublicInbox/GitHTTPBackend.pm
index 56bf24f4..c84eefcf 100644
--- a/lib/PublicInbox/GitHTTPBackend.pm
+++ b/lib/PublicInbox/GitHTTPBackend.pm
@@ -224,7 +224,7 @@ sub serve_smart {
         if (my $async = $env->{'pi-httpd.async'}) {
                 $rpipe = $async->($rpipe, $cb);
                 sub { ($res) = @_ } # let Danga::Socket handle the rest.
-        } else { # synchronous loop
+        } else { # synchronous loop for other PSGI servers
                 $vin = '';
                 vec($vin, fileno($rpipe), 1) = 1;
                 sub {