diff --git a/book/chapter-01-run-and-talk.md b/book/chapter-01-run-and-talk.md
index 2bf1582c..baed2294 100644
--- a/book/chapter-01-run-and-talk.md
+++ b/book/chapter-01-run-and-talk.md
@@ -68,11 +68,12 @@ Notes:
 
 Omnichannel allow the conversation to follow a sequence, regardless of whether the customer uses the same channel or not, because all calls record the consumer's history and profile.
 
+## Spell Checker
+
+Spell checker is when GeneralBots spell-checks text to find and correct any typographical errors.
 
 ## NLP
 
-## Spell Checker
-
 ## Speech to Text
 
 ## Branding