diff --git a/pages/06.contribute/10.packaging_apps/60.advanced/20.config_panels/config_panels.md b/pages/06.contribute/10.packaging_apps/60.advanced/20.config_panels/config_panels.md
index abf7c619..c186e75a 100644
--- a/pages/06.contribute/10.packaging_apps/60.advanced/20.config_panels/config_panels.md
+++ b/pages/06.contribute/10.packaging_apps/60.advanced/20.config_panels/config_panels.md
@@ -67,7 +67,7 @@ For performance reasons, questions short keys have to be unique in all the `conf
 ```
 In which two questions have "real variable name" `is server_ip` and therefore conflict with each other.
 
-! Short keys should avoid conflicts with settings too (e.g. id, install_time, mysql_pwd, path, domain, port, db_name)
+! Some short key are forbidden cause it can interfer with config scripts (`old`, `file_hash`, `types`, `binds`, `formats`, `changed`) and you probably should avoid to use common settings name to avoid to bind your question to this settings (e.g. `id`, `install_time`, `mysql_pwd`, `path`, `domain`, `port`, `db_name`, `current_revision`, `admin`)
 
 ### Supported questions types and properties