diff --git a/CHANGELOG.md b/CHANGELOG.md
index 1c9b1eb1..7d7d5905 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -6,6 +6,10 @@
 - Fix `entries_layout: grid` in various layouts. [#2639](https://github.com/mmistakes/minimal-mistakes/issues/2639)
 - Change `fa` to `fas` for Font Awesome 5. [#2649](https://github.com/mmistakes/minimal-mistakes/pull/2649)
 
+### Enhancements
+
+- Add `article:author` Open Graph markup. [#2670](https://github.com/mmistakes/minimal-mistakes/pull/2670)
+
 ## [4.20.1](https://github.com/mmistakes/minimal-mistakes/releases/tag/4.20.1)
 
 ### Bug Fixes
diff --git a/docs/_docs/18-history.md b/docs/_docs/18-history.md
index a3ea029f..f732bacd 100644
--- a/docs/_docs/18-history.md
+++ b/docs/_docs/18-history.md
@@ -5,7 +5,7 @@ permalink: /docs/history/
 excerpt: "Change log of enhancements and bug fixes made to the theme."
 sidebar:
   nav: docs
-last_modified_at: 2020-08-30T20:31:39-04:00
+last_modified_at: 2020-08-30T20:41:33-04:00
 toc: false
 ---
 
@@ -15,6 +15,10 @@ toc: false
 - Fix `entries_layout: grid` in various layouts. [#2639](https://github.com/mmistakes/minimal-mistakes/issues/2639)
 - Change `fa` to `fas` for Font Awesome 5. [#2649](https://github.com/mmistakes/minimal-mistakes/pull/2649)
 
+### Enhancements
+
+- Add `article:author` Open Graph markup. [#2670](https://github.com/mmistakes/minimal-mistakes/pull/2670)
+
 ## [4.20.1](https://github.com/mmistakes/minimal-mistakes/releases/tag/4.20.1)
 
 ### Bug Fixes