diff --git a/manage b/manage
index 7ddf3b7c2..6cf562b22 100755
--- a/manage
+++ b/manage
@@ -525,7 +525,7 @@ main() {
         *)
             _type="$(type -t "$cmd")"
             if [ "$_type" != 'function' ]; then
-                err_msg "unknown command $1 / use --help"
+                err_msg "unknown command: $cmd / use --help"
                 return 42
             else
                 "$cmd" "$@"