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-rw-r--r--lib/PublicInbox/LeiRediff.pm2
1 files changed, 1 insertions, 1 deletions
diff --git a/lib/PublicInbox/LeiRediff.pm b/lib/PublicInbox/LeiRediff.pm
index c312d90f..9cf95c08 100644
--- a/lib/PublicInbox/LeiRediff.pm
+++ b/lib/PublicInbox/LeiRediff.pm
@@ -268,7 +268,7 @@ sub lei_rediff {
         if ($lxs->remotes) {
                 require PublicInbox::LeiRemote;
                 $lei->{curl} //= which('curl') or return
-                        $lei->fail('curl needed for', $lxs->remotes);
+                        $lei->fail('curl needed for '.join(', ',$lxs->remotes));
         }
         $lei->ale->refresh_externals($lxs, $lei);
         my $self = bless {