diff --git a/conf/credentials.json b/conf/credentials.json
index 64ef848..5655057 100644
--- a/conf/credentials.json
+++ b/conf/credentials.json
@@ -40,6 +40,8 @@
 
   "users": {
     "__ADMIN__": {
+      // 1) "password" can be replaced with "hash" if you install ep_hash_auth
+      // 2) please note that if password is null, the user will not be created
       "password": "__PASSWORD__",
       "is_admin": true
     }