diff --git a/book/src/intro/CHANGELOG.md b/book/src/intro/CHANGELOG.md
index f217b9c..415a193 100644
--- a/book/src/intro/CHANGELOG.md
+++ b/book/src/intro/CHANGELOG.md
@@ -11,3 +11,5 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 - Initial setup and formatting
 - First Section on introduction stuff
+- Phonology chapter
+- Morphosyntactic typology chapter