typo

1 files changed, 1 insertions, 1 deletions

diff --git a/NMI.pm b/NMI.pm
index f11f4be..ca4cdb6 100644
--- a/NMI.pm
+++ b/NMI.pm
@@ -222,7 +222,7 @@ sub submit {
       $self->failure_status($failure_status{$code}) if exists($failure_status{$code});
     }
     elsif( $response->{response} == 3 ) {
-      $error = "Transaction error: '".$response->{responsetext};
+      $error = "Transaction error: '".$response->{responsetext}."'";
     }
     else {
       $error = "Could not interpret server response: '$page'";