diff --git a/book/chapter-05-gbdialog-reference.md b/book/chapter-05-gbdialog-reference.md
index 7b86c6c0..a7deded0 100644
--- a/book/chapter-05-gbdialog-reference.md
+++ b/book/chapter-05-gbdialog-reference.md
@@ -38,6 +38,7 @@ The following file types are loaded from a .gbdialog package: `.vbs`, `.vb`, `.b
 | HEAR _variable_ AS ZIPCODE                                    | |
 | HEAR _variable_ AS "Abacate", "Maçã", "Morango"               | Displays the specified menu and waits for this input until user select one of them. | 
 | HEAR _variable_ AS LANGUAGE                                   | |
+| HEAR _variable_ AS LOGIN (internal)                           | Waits for Active Directoy login integration before proceeding with the dialog .|
 
 ## How To