diff --git a/README.md b/README.md
index 722025d..45f3a07 100644
--- a/README.md
+++ b/README.md
@@ -18,6 +18,7 @@ A POC of a Discord bot using the dropdown capability
 
 ## Improvement Way
 
+- Discord token should be in environment and not on configuration (security and semantic reason)
 - Sync configuration with currently send picker. `/role-picker create [picker]`, `/role-picker sync [picker]` (if picker is omitted, resync all?)
 
 ## Notes