add comment for asu_build option

diff --git a/config.js b/config.js
index a894147891d27a1fb22043bfdbb9ae24381047e0..bc233c65e7e029e96835f8be360747e5ddc17dfb 100644 (file)
--- a/config.js
+++ b/config.js
@@ -11,5 +11,7 @@ var config = {
     '19.07.1': 'names-19.07.1.json',
     '18.06.7': 'names-18.06.7.json'
   },
+  // Optional: Attended Sysupgrade Feature
+  // Build custom images
   asu_url: '/api/build'
 };