diff --git a/_overviews/scala-book/case-classes.md b/_overviews/scala-book/case-classes.md
index a497e1e33a..8722d4c5ae 100644
--- a/_overviews/scala-book/case-classes.md
+++ b/_overviews/scala-book/case-classes.md
@@ -1,4 +1,5 @@
 ---
+type: chapter
 layout: multipage-overview
 title: Case Classes
 description: This lesson provides an introduction to 'case classes' in Scala.