diff --git a/CHANGELOG.md b/CHANGELOG.md
index 1165d306..4c37f984 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,9 @@
+## Unreleased
+
+### Enhancements
+
+- Clarify documentation that Lunr only searches documents in collections. [#2450](https://github.com/mmistakes/minimal-mistakes/pull/2450)
+
 ## [4.19.1](https://github.com/mmistakes/minimal-mistakes/releases/tag/4.19.1)
 
 ### Enhancements
diff --git a/docs/_docs/18-history.md b/docs/_docs/18-history.md
index 6b6cb63d..524d0c1a 100644
--- a/docs/_docs/18-history.md
+++ b/docs/_docs/18-history.md
@@ -5,10 +5,16 @@ permalink: /docs/history/
 excerpt: "Change log of enhancements and bug fixes made to the theme."
 sidebar:
   nav: docs
-last_modified_at: 2020-03-16T21:27:51-04:00
+last_modified_at: 2020-03-23T14:04:34-04:00
 toc: false
 ---
 
+## Unreleased
+
+### Enhancements
+
+- Clarify documentation that Lunr only searches documents in collections. [#2450](https://github.com/mmistakes/minimal-mistakes/pull/2450)
+
 ## [4.19.1](https://github.com/mmistakes/minimal-mistakes/releases/tag/4.19.1)
 
 ### Enhancements