msva-query-agent print usage to stderr

diff --git a/msva-query-agent b/msva-query-agent
index 784c16f599113d516011ad8b31483e8e0de1e1b4..3f58c44bb2e0a78779e9a4a3785fcb862f397837 100755 (executable)
--- a/msva-query-agent
+++ b/msva-query-agent
@@ -23,7 +23,7 @@ use Crypt::Monkeysphere::MSVA::Client;
 
 my $context = shift;
 if ($context eq '--help') {
-    printf("Usage: msva-query-agent CONTEXT PEER PKC_TYPE [PEER_TYPE] <PKC_DATA\n");
+    printf STDERR "Usage: msva-query-agent CONTEXT PEER PKC_TYPE [PEER_TYPE] <PKC_DATA\n";
     exit 0;
 }
 my $peer = shift;