diff --git a/lib/api/metric.js b/lib/api/metric.js
index 5a9ba6e..71c9ec3 100644
--- a/lib/api/metric.js
+++ b/lib/api/metric.js
@@ -181,7 +181,7 @@ module.exports = {
             var q = args._[6];
             query(from, to, q, callback);
         } else {
-            callback("unknown subcommand or arguments try `dogapi --help` for help", false);
+            callback("unknown subcommand or arguments try `dogapi metric --help` for help", false);
         }
     }
 };