diff --git a/CHANGELOG.md b/CHANGELOG.md
index eb077b06..242f0ea9 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -7,6 +7,7 @@
 - Update Susy to version 3 and rewrite grid CSS to be more readable.
 - Refactor intro animations into a separate Sass variable `$intro-transition` to allow for customizing. [#1147](https://github.com/mmistakes/minimal-mistakes/pull/1147)
 - Add [**jekyll-data**](https://github.com/ashmaroli/jekyll-data) as a dependency to read data files from theme-gem. [#1131](https://github.com/mmistakes/minimal-mistakes/pull/1131)
+- Add support for customizing header image alternative text through YAML Front Matter. [#1138](https://github.com/mmistakes/minimal-mistakes/pull/1138)
 
 ### Bug Fixes
 
diff --git a/docs/_docs/18-history.md b/docs/_docs/18-history.md
index 22bd16d2..381a69bb 100644
--- a/docs/_docs/18-history.md
+++ b/docs/_docs/18-history.md
@@ -4,7 +4,7 @@ permalink: /docs/history/
 excerpt: "Change log of enhancements and bug fixes made to the theme."
 sidebar:
   nav: docs
-last_modified_at: 2017-08-04T11:58:25-04:00
+last_modified_at: 2017-08-04T12:24:12-04:00
 ---
 
 ## Unreleased
@@ -16,6 +16,7 @@ last_modified_at: 2017-08-04T11:58:25-04:00
 - Update Susy to version 3 and rewrite grid CSS to be more readable.
 - Refactor intro animations into a separate Sass variable `$intro-transition` to allow for customizing. [#1147](https://github.com/mmistakes/minimal-mistakes/pull/1147)
 - Add [**jekyll-data**](https://github.com/ashmaroli/jekyll-data) as a dependency to read data files from theme-gem. [#1131](https://github.com/mmistakes/minimal-mistakes/pull/1131)
+- Add support for customizing header image alternative text through YAML Front Matter. [#1138](https://github.com/mmistakes/minimal-mistakes/pull/1138)
 
 ### Bug Fixes