diff --git a/lib/self-upgrade.bash b/lib/self-upgrade.bash
index 92d768e..d1108c0 100644
--- a/lib/self-upgrade.bash
+++ b/lib/self-upgrade.bash
@@ -43,6 +43,7 @@ function system_upgrade {
     echo "up-to-date version: $current"
   else
     echo "new version available: $latest"
+    #TODO: should down new file self-upgrade.bash, then call it again
     perform_upgrade
   fi
 }