diff --git a/book/src/chapter_3.md b/book/src/chapter_3.md
index 4ee11e239e98d0a3e2347ce3c6c2335624eaf51c..78fb4ce5c662d877ad549400b3f1da397585fde5 100644
--- a/book/src/chapter_3.md
+++ b/book/src/chapter_3.md
@@ -1,4 +1,4 @@
-# Chapter 2 - Creating custom widgets!
+# Chapter 3 - Creating custom widgets!
 Kayak UI allows users to create custom widgets.
 
 Widgets are structured in a few different ways: