diff --git a/CHANGELOG.md b/CHANGELOG.md
index 97c41e3e..18a0c1fb 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,7 @@
 ## Unreleased
 
+- Add missing Spanish localized UI text strings. [#2149](https://github.com/mmistakes/minimal-mistakes/pull/2149)
+
 ### Bug Fixes
 
 - Fix pound symbol not displaying properly for post categories and tags. [#2156](https://github.com/mmistakes/minimal-mistakes/issues/2156)
diff --git a/docs/_docs/18-history.md b/docs/_docs/18-history.md
index 473828ff..3b1bdce5 100644
--- a/docs/_docs/18-history.md
+++ b/docs/_docs/18-history.md
@@ -5,12 +5,14 @@ permalink: /docs/history/
 excerpt: "Change log of enhancements and bug fixes made to the theme."
 sidebar:
   nav: docs
-last_modified_at: 2019-05-21T11:41:27-04:00
+last_modified_at: 2019-05-26T20:33:14-04:00
 toc: false
 ---
 
 ## Unreleased
 
+- Add missing Spanish localized UI text strings. [#2149](https://github.com/mmistakes/minimal-mistakes/pull/2149)
+
 ### Bug Fixes
 
 - Fix pound symbol not displaying properly for post categories and tags. [#2156](https://github.com/mmistakes/minimal-mistakes/issues/2156)