diff --git a/lib/db/json.js b/lib/db/json.js
index 9b5b68095b810031fbc27e0921c49fab390af76f..fc5705376d9535ad3d016cae47db599d952dc01d 100644
--- a/lib/db/json.js
+++ b/lib/db/json.js
@@ -82,6 +82,10 @@ function flush() {
 function sync() {
   try {
     db = JSON.parse(fs.readFileSync(dbPath));
+
+    // FIXME:
+    // at this point db might be missing some important fields
+    // we may want to fix this. In the meantime, delete your old json db
   } catch(e) {
     logger.error("Cannot read database from " + dbPath);
   }