lib/PublicInbox/HTTP.pm | 2 +-

diff --git a/lib/PublicInbox/HTTP.pm b/lib/PublicInbox/HTTP.pm
index c4b74b457ecccabdc000867e2a83f55793b72ce6..03ce4fe5273572e006f1a77d4b8e70bc4a33d9a5 100644
--- a/lib/PublicInbox/HTTP.pm
+++ b/lib/PublicInbox/HTTP.pm
@@ -473,7 +473,7 @@ sub close {
 	my $self = shift;
 	my $forward = $self->{forward};
 	my $env = $self->{env};
-	delete $env->{'psgix.io'} if $env; # prevent circular referernces
+	delete $env->{'psgix.io'} if $env; # prevent circular references
 	$self->{pull} = $self->{forward} = $self->{env} = undef;
 	if ($forward) {
 		eval { $forward->close };