diff --git a/extensions/gii/CHANGELOG.md b/extensions/gii/CHANGELOG.md
index 3ac1c67249..3575fcc4a8 100644
--- a/extensions/gii/CHANGELOG.md
+++ b/extensions/gii/CHANGELOG.md
@@ -8,6 +8,7 @@ Yii Framework 2 gii extension Change Log
 - Bug: fixed controller in crud template to avoid returning query in findModel() (cebe)
 - Enh #1624: generate rules for unique indexes (lucianobaraglia)
 - Enh #1818: Do not display checkbox column if all rows are empty (johonunu)
+- Enh #1897: diff markup is now copy paste friendly (samdark)
 
 2.0.0 alpha, December 1, 2013
 -----------------------------
diff --git a/framework/CHANGELOG.md b/framework/CHANGELOG.md
index d5d909d880..51f5ebd1c9 100644
--- a/framework/CHANGELOG.md
+++ b/framework/CHANGELOG.md
@@ -126,6 +126,7 @@ Yii Framework 2 Change Log
 - Chg #2063: Removed `yii\web\Request::acceptTypes` and renamed `yii\web\Request::acceptedContentTypes` to `acceptableContentTypes` (qiangxue)
 - Chg #2157: The '*' category pattern will match all categories that do not match any other patterns listed in `I18N::translations` (qiangxue, Ragazzo)
 - Chg #2161: Added ability to use `return` in `Widget::run` (samdark)
+- Chg #2173: Removed `StringHelper::diff()`, Moved `phpspec/php-diff` dependency from `yiisoft/yii2` to `yiisoft/yii2-gii` (samdark)
 - Chg: Renamed `yii\jui\Widget::clientEventsMap` to `clientEventMap` (qiangxue)
 - Chg: Renamed `ActiveRecord::getPopulatedRelations()` to `getRelatedRecords()` (qiangxue)
 - Chg: Renamed `attributeName` and `className` to `targetAttribute` and `targetClass` for `UniqueValidator` and `ExistValidator` (qiangxue)