diff --git a/book/chapter-07-gbot-reference.md b/book/chapter-07-gbot-reference.md
index a11ebfd4..9010faf9 100644
--- a/book/chapter-07-gbot-reference.md
+++ b/book/chapter-07-gbot-reference.md
@@ -44,6 +44,8 @@ here is a list of admin commands related to deploying .gb* files.
 | Debug Web Automation |   TRUE if Bot Admin Number will receive an screenshot to each web automation step.|
 | .gbapp List |   List of associated .gbapp packages to this .gbot. |
 | Group Spell |  Enable spell checker for groups. |
+
+Note that this variables are available in every .gbdialog code, automatically.
   
 ## Enviroment Variables Reference