diff --git a/book/chapter-02-the-package-based.md b/book/chapter-02-the-package-based.md
index e57b511a..889e7599 100644
--- a/book/chapter-02-the-package-based.md
+++ b/book/chapter-02-the-package-based.md
@@ -47,7 +47,7 @@ Four components builds up a General Bot App:
 #### Dialogs
 
 All code contained in a dialog builds the flow to custom conversations in
-built-in and additional packages .
+built-in and additional packages. GeneralBots also has the user's direct speech dialog, containing the spell checker.
 
 #### Models